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Open Up - Grade 8 - Mathematics - Unit 3 - Lesson 13

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Last updated almost 3 years ago
10 Questions
1.

For each equation, find y when x = -3. Then find x when y = 2.

y = 6x + 8

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2.

For each equation, find y when x = -3. Then find x when y = 2.

y = \frac{2}{3}x

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3.

For each equation, find y when x = -3. Then find x when y = 2.

y = -x+5

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4.

For each equation, find y when x = -3. Then find x when y = 2.

y = \frac{3}{4}x-2\frac{1}{2}

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5.

For each equation, find y when x = -3. Then find x when y = 2.

y = 1.5x+11

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6.

Match each graph of a linear relationship to a situation that most reasonably reflects its context.

Graph A.
Graph B.
Graph C.
Graph D.
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7.

True or false: The points (6,13), (21, 33), and (99, 137) all lie on the same line. The equation of the line is y = \frac{4}{3}x + 5.

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8.

Here is a linear equation: y = \frac{1}{4}x + \frac{5}{4}.
Are (1, 1.5) and (12, 4) solutions to the equation?

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9.

Here is a linear equation: y = \frac{1}{4}x + \frac{5}{4}.
Find the x-intercept of the graph of the equation.

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10.

Find the coordinates of B, C, and D given that AB = 5 and BC = 10.

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