Linear Equations in Slope-Intercept and Point Slope Forms, Direct Variation and Dimensional Analysis

Which equation represents the following graph?

• y = 3x + 2

• y = -2x + 3

• y = 2x + 3

• y = -3x + 2

Which of the following equations is written in slope-intercept form?

• y = 10x - 7

• y - 5 = 3(x - 1)

• 5x - y = 12

• 6x + 2y - 15 = 0

Which equation best represents the relationship between x and y in the table shown?

• y = 5x + 5

• y = -5x + 5

• y = 15x + 5

• y = 10x + 5

Which of the following equations does the graph represent?

• y = -2

• y = 2

• x = -2

• y = -2x

What type of slope does the graph have?

• Positive

• Negative

• Zero Slope

• Undefined

What coordinate point can be extracted from the following equation?

y - 3 = 2(x + 4)

• (-4, 3)

• (3, -4)

• (-3, -4)

• (-4, -3)

Which answer choice correctly identifies the information contained in the following equation?

y + 1 = -3(x - 5)

• m = 3, (-5, -1)

• m = 3, (5, 1)

• m = -3, (5, -1)

• m = -3, (-1, 5)

Write the equation in point-slope form of the line that passes through the given point and has the given slope.

(4, -7); m = 2

• y + 7 = -2(x - 4)

• y - 4 = 2(x + 7)

• y + 7 = 2(x + 4)

• y + 7 = 2(x - 4)

Which of the following equations represents the line that passes through the two given point?

(-2, -3), (4, 9)

• y - 4 = 2(x - 9)

• y + 3 = 2(x + 2)

• y - 9 = 2(x + 4)

• y - 3 = 2x + 2

Which of the following equations does NOT match the given line?

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