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Finite Mathematics and Applied Calculus

Stefan Waner, Steven R. Costenoble

Chapter 0

Precalculus Review - all with Video Answers

Educators


Section 1

Real Numbers

01:21

Problem 1

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$2(4+(-1))(2 \cdot-4)$

Charles Machakwa
Charles Machakwa
Numerade Educator
00:48

Problem 2

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$3+([4-2] \cdot 9)$

Charles Machakwa
Charles Machakwa
Numerade Educator
00:59

Problem 3

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$20 /(3 * 4)-1$

Charles Machakwa
Charles Machakwa
Numerade Educator
01:04

Problem 4

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$2-(3 * 4) / 10$

Charles Machakwa
Charles Machakwa
Numerade Educator
01:32

Problem 5

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$\frac{3+([3+(-5)])}{3-2 \times 2}$

Charles Machakwa
Charles Machakwa
Numerade Educator
01:37

Problem 6

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$\frac{12-(1-4)}{2(5-1) \cdot 2-1}$

Charles Machakwa
Charles Machakwa
Numerade Educator
01:19

Problem 7

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$(2-5 *(-1)) / 1-2 *(-1)$

Charles Machakwa
Charles Machakwa
Numerade Educator
01:19

Problem 8

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$2-5 *(-1) /(1-2 *(-1))$

Charles Machakwa
Charles Machakwa
Numerade Educator
00:45

Problem 9

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$2 \cdot(-1)^{2} / 2$

Charles Machakwa
Charles Machakwa
Numerade Educator
00:46

Problem 10

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$2+4 \cdot 3^{2}$

Charles Machakwa
Charles Machakwa
Numerade Educator
00:41

Problem 11

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$2 \cdot 4^{2}+1$

Charles Machakwa
Charles Machakwa
Numerade Educator
01:07

Problem 12

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$1-3 \cdot(-2)^{2} \times 2$

Charles Machakwa
Charles Machakwa
Numerade Educator
00:37

Problem 13

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$3^{\wedge} 2+2^{\wedge} 2+1$

Charles Machakwa
Charles Machakwa
Numerade Educator
00:42

Problem 14

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$2^{\wedge}\left(2^{\wedge} 2-2\right)$

Charles Machakwa
Charles Machakwa
Numerade Educator
01:49

Problem 15

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$\frac{3-2(-3)^{2}}{-6(4-1)^{2}}$

Charles Machakwa
Charles Machakwa
Numerade Educator
01:45

Problem 16

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$\frac{1-2(1-4)^{2}}{2(5-1)^{2} \cdot 2}$

Charles Machakwa
Charles Machakwa
Numerade Educator
01:45

Problem 17

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$10 *(1+1 / 10)^{\wedge} 3$

Charles Machakwa
Charles Machakwa
Numerade Educator
01:20

Problem 18

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$121 /(1+1 / 10)^{\wedge} 2$

Charles Machakwa
Charles Machakwa
Numerade Educator
01:07

Problem 19

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$3\left(\frac{-2 \cdot 3^{2}}{-(4-1)^{2}}\right)$

Charles Machakwa
Charles Machakwa
Numerade Educator
01:07

Problem 20

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$3\left(\frac{-2 \cdot 3^{2}}{-(4-1)^{2}}\right)$

Charles Machakwa
Charles Machakwa
Numerade Educator
01:49

Problem 21

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$3\left(1-\left(-\frac{1}{2}\right)^{2}\right)^{2}+1$

Charles Machakwa
Charles Machakwa
Numerade Educator
01:49

Problem 22

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$3\left(\frac{1}{9}-\left(\frac{2}{3}\right)^{2}\right)^{2}+1$

Charles Machakwa
Charles Machakwa
Numerade Educator
01:09

Problem 23

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$(1 / 2)^{\wedge} 2-1 / 2^{\wedge} 2$

Charles Machakwa
Charles Machakwa
Numerade Educator
01:04

Problem 24

Calculate each expression. Giving the answer as a whole number or a fraction in lowest terms.
$2 /\left(1^{\wedge} 2\right)-(2 / 1)^{\wedge} 2$

Julie Silva
Julie Silva
Numerade Educator
01:05

Problem 25

Convert each expression into its technology formula equivalent as in the table in the text.
$3 \times(2-5)$

Julie Silva
Julie Silva
Numerade Educator
01:02

Problem 26

Convert each expression into its technology formula equivalent as in the table in the text.
$4+\frac{5}{9}$

Julie Silva
Julie Silva
Numerade Educator
01:02

Problem 27

Convert each expression into its technology formula equivalent as in the table in the text.
$\frac{3}{2-5}$

Julie Silva
Julie Silva
Numerade Educator
01:06

Problem 28

Convert each expression into its technology formula equivalent as in the table in the text.
$\frac{4-1}{3}$

Julie Silva
Julie Silva
Numerade Educator
01:06

Problem 29

Convert each expression into its technology formula equivalent as in the table in the text.
$\frac{3-1}{8+6}$

Julie Silva
Julie Silva
Numerade Educator
01:05

Problem 30

Convert each expression into its technology formula equivalent as in the table in the text.
$3+\frac{3}{2-9}$

Julie Silva
Julie Silva
Numerade Educator
01:05

Problem 31

Convert each expression into its technology formula equivalent as in the table in the text.
$3-\frac{4+7}{8}$

Julie Silva
Julie Silva
Numerade Educator
01:06

Problem 32

Convert each expression into its technology formula equivalent as in the table in the text.
$\frac{4 \times 2}{\left(\frac{2}{3}\right)}$

Julie Silva
Julie Silva
Numerade Educator
00:44

Problem 33

Convert each expression into its technology formula equivalent as in the table in the text.
$\frac{2}{3+x}-x y^{2}$

Hoan Nguyen
Hoan Nguyen
Numerade Educator
00:54

Problem 34

Convert each expression into its technology formula equivalent as in the table in the text.
$3+\frac{3+x}{x y}$

Hoan Nguyen
Hoan Nguyen
Numerade Educator
01:20

Problem 35

Convert each expression into its technology formula equivalent as in the table in the text.
$3.1 x^{3}-4 x^{-2}-\frac{60}{x^{2}-1}$

Julie Silva
Julie Silva
Numerade Educator
01:11

Problem 36

Convert each expression into its technology formula equivalent as in the table in the text.
$2.1 x^{-3}-x^{-1}+\frac{x^{2}-3}{2}$

Julie Silva
Julie Silva
Numerade Educator
01:06

Problem 37

Convert each expression into its technology formula equivalent as in the table in the text.
$\frac{\left(\frac{2}{3}\right)}{5}$

Julie Silva
Julie Silva
Numerade Educator
01:03

Problem 38

Convert each expression into its technology formula equivalent as in the table in the text.
$\frac{2}{\left(\frac{3}{5}\right)}$

Julie Silva
Julie Silva
Numerade Educator
01:04

Problem 39

Convert each expression into its technology formula equivalent as in the table in the text.
$3^{4-5} \times 6$

Julie Silva
Julie Silva
Numerade Educator
01:09

Problem 40

Convert each expression into its technology formula equivalent as in the table in the text.
$\frac{2}{3+5^{7-9}}$

Julie Silva
Julie Silva
Numerade Educator
01:11

Problem 41

Convert each expression into its technology formula equivalent as in the table in the text.
$3\left(1+\frac{4}{100}\right)^{-3}$

Julie Silva
Julie Silva
Numerade Educator
00:56

Problem 42

Convert each expression into its technology formula equivalent as in the table in the text.
$3\left(\frac{1+4}{100}\right)^{-3}$

Hoan Nguyen
Hoan Nguyen
Numerade Educator
01:12

Problem 43

Convert each expression into its technology formula equivalent as in the table in the text.
$3^{2 x-1}+4^{x}-1$

Julie Silva
Julie Silva
Numerade Educator
01:21

Problem 44

Convert each expression into its technology formula equivalent as in the table in the text.
$2^{x^{2}}-\left(2^{2 x}\right)^{2}$

Julie Silva
Julie Silva
Numerade Educator
01:04

Problem 45

Convert each expression into its technology formula equivalent as in the table in the text.
$2^{2 x^{2}-x+1}$

Julie Silva
Julie Silva
Numerade Educator
01:05

Problem 46

Convert each expression into its technology formula equivalent as in the table in the text.
$2^{2 x^{2}-x}+1$

Julie Silva
Julie Silva
Numerade Educator
01:27

Problem 47

Convert each expression into its technology formula equivalent as in the table in the text.
$\frac{4 e^{-2 x}}{2-3 e^{-2 x}}$

Julie Silva
Julie Silva
Numerade Educator
01:43

Problem 48

Convert each expression into its technology formula equivalent as in the table in the text.
$\frac{e^{2 x}+e^{-2 x}}{e^{2 x}-e^{-2 x}}$

Julie Silva
Julie Silva
Numerade Educator
01:11

Problem 49

Convert each expression into its technology formula equivalent as in the table in the text.
$3\left(1-\left(-\frac{1}{2}\right)^{2}\right)^{2}+1$

Julie Silva
Julie Silva
Numerade Educator
01:11

Problem 50

Convert each expression into its technology formula equivalent as in the table in the text.
$3\left(\frac{1}{9}-\left(\frac{2}{3}\right)^{2}\right)^{2}+1$

Julie Silva
Julie Silva
Numerade Educator