Question

Lesson 7 Assessment 1. Evaluate the following using your graphing calculator. If there is no real solution, write \"N\". Round answers to three decimal places if necessary. $\sqrt{42}$ = ___ $\sqrt{-512}$ = _ $\sqrt{-625}$ = ___ 2. Solve the following equations algebraically. Show all steps. Use your graphing calculator to check your answers. a) $6 + \sqrt{7 - 3x} = 16$ c) $5 - \sqrt{5x} = 11$ 3. Multiply $x^{\frac{2}{3}}x^{\frac{1}{3}}$ and write the answer: A) with a single positive rational exponent: B) using radical notation b) $\sqrt{2x + 8} + 5 = 0$ d) $\sqrt{5 - x} = x + 1$

          Lesson 7 Assessment
1. Evaluate the following using your graphing calculator. If there is no real solution, write \"N\". Round answers to three decimal places if necessary.
$\sqrt{42}$ = _____
$\sqrt{-512}$ = _____
$\sqrt{-625}$ = _____
2. Solve the following equations algebraically. Show all steps. Use your graphing calculator to check your answers.
a) $6 + \sqrt{7 - 3x} = 16$
c) $5 - \sqrt{5x} = 11$
3. Multiply $x^{\frac{2}{3}}x^{\frac{1}{3}}$ and write the answer:
A) with a single positive rational exponent:
B) using radical notation
b) $\sqrt{2x + 8} + 5 = 0$
d) $\sqrt{5 - x} = x + 1$

Lesson 7 Assessment
1. Evaluate the following using your graphing calculator. If there is no real solution, write N̈.̈ Round answers to three decimal places if necessary.
√(42) =
√(-512) =
√(-625) =
2. Solve the following equations algebraically. Show all steps. Use your graphing calculator to check your answers.
a) 6 + √(7 - 3x) = 16
c) 5 - √(5x) = 11
3. Multiply x^(2)/(3)x^(1)/(3) and write the answer:
A) with a single positive rational exponent:
B) using radical notation
b) √(2x + 8) + 5 = 0
d) √(5 - x) = x + 1

Added by Ricardo M.

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