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Solve equation for $y$ and then graph it. $2 x+3 …

03:07

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Problem 1 Problem 2 Problem 3 Problem 4 Problem 5 Problem 6 Problem 7 Problem 8 Problem 9 Problem 10 Problem 11 Problem 12 Problem 13 Problem 14 Problem 15 Problem 16 Problem 17 Problem 18 Problem 19 Problem 20 Problem 21 Problem 22 Problem 23 Problem 24 Problem 25 Problem 26 Problem 27 Problem 28 Problem 29 Problem 30 Problem 31 Problem 32 Problem 33 Problem 34 Problem 35 Problem 36 Problem 37 Problem 38 Problem 39 Problem 40 Problem 41 Problem 42 Problem 43 Problem 44 Problem 45 Problem 46 Problem 47 Problem 48 Problem 49 Problem 50 Problem 51 Problem 52 Problem 53 Problem 54 Problem 55 Problem 56 Problem 57 Problem 58 Problem 59 Problem 60 Problem 61 Problem 62 Problem 63 Problem 64 Problem 65 Problem 66 Problem 67 Problem 68 Problem 69 Problem 70 Problem 71 Problem 72 Problem 73 Problem 74 Problem 75 Problem 76 Problem 77 Problem 78 Problem 79 Problem 80 Problem 81 Problem 82 Problem 83 Problem 84 Problem 85 Problem 86 Problem 87 Problem 88 Problem 89 Problem 90 Problem 91 Problem 92 Problem 93 Problem 94 Problem 95 Problem 96 Problem 97 Problem 98 Problem 99 Problem 100 Problem 101 Problem 102 Problem 103 Problem 104 Problem 105 Problem 106 Problem 107 Problem 108

Problem 48 Hard Difficulty

Construct a table of solutions and then graph equation.
$y=-8 x$

Answer

$$
\begin{array}{cc}
\frac{x}{0} & \frac{y}{0} \\
-1 & 8 \\
-2 & 16 \\
1 & -8 \\
2 & -16
\end{array}
$$

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Section 2

Graphing Linear Equations

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Video Transcript

Let's grab the equation. Why equals negative eight pecs, like creating a table of values and then plotting the corresponding points? I like to use small values for our X variable. To keep the calculation simple, I typically start with negative 10 and one for my values of X. And then I'll find the corresponding values of why, when excess negative one. We confined the value of y by substituting negative one for X y equals negative eight times negative one when simplified. Why is equal to positive eight when X is negative? One. Why is eight and this corresponds to the point negative 18 that we can plot on our graph excess negative one. Why is positive? Eight. And there's our first solution. Do the same thing for the value when X is zero substitute zero for X and we have y equals negative. Eight times zero negative eight times zero is zero. So when x zero Why is zero which corresponds to the 0.0 rate at our origin? There's our second solution to find the third solution. Substitute 14 pecks and we have y equals negative eight times. One when simplified my equals negative eight, which corresponds to the 0.1 negative eight. Plot that point on our graph excess one. Why is negative eight And we have a third solution. Then using a straightedge, connect your points and you'll have the graph of the equation. We're gonna pretend I'm hitting my points nicely and there you go.

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Alan S. Tussy, R. David Gustafson

Elementary and Intermediate Algebra

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