# Thinking W/ Math Models Question Preview (ID: 797)

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Solve for x. -5x + 7 = 2x - 7
a) x = 7
b) x - -2
c) x = -7
d) x = 2

What is the slope of the line y = 3/4 x - 1/3?
a) -1/3
b) 1/3
c) 3/4
d) -3

Write an equation of a line parallel to the line y = 1/3x -7
a) y = -1/3x - 7
b) y = -3x
c) y = 1/3x + 7
d) y = 3x -7

What is the y-intercept of the line y = -3x - 7?
a) 3
b) -3
c) -7
d) 7

Write the equation of the line going through (4, -8) with slope -2.
a) y = -2x
b) y = -2x +8
c) y = -8x -2
d) y = -2x - 8

Write the equation of the line with slope -5 and y-intercept 6.
a) y = 6x -5
b) y = -6x + 5
c) y = -5x -6
d) y = -5x + 6

Solve for x. 3x - 8 = 5x + 6
a) x = 7
b) x = -2
c) x = -7
d) x = 14

Find the slope of the line through the points (-2, 4) and (6, -12).
a) m = 1/8
b) m = -8
c) m = -2
d) m = 2

Write the equation of a line parallel to y = 4x - 8 going throughthe point (0, 8).
a) y = 1/4x + 8
b) y = -4x + 8
c) y = -1/4x + 8
d) y = 4x + 8

Which line is perpendicular to y = 7x - 4
a) y = -1/7x + 8
b) y = 1/4x -3
c) y = -7x - 4
d) y = 7x + 4

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