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

By Formative Library
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Last updated over 2 years ago
10 Questions
1
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.
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Graph A.
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Graph B.
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Graph C.
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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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