Test on Linear Equation

Find the slope and y-intercept of the following:

3x - y = 9

• Slope = 3, y-intercept = -9

• Slope = 9, y-intercept = 3

• Slope = 3, y-intercept = 9

• Slope = -1, y-intercept = 3

Find the slope  and y-intercept of:

2x - 3y = -12

• slope = 2/3, y-intercept = -12

• slope = -2/3, y-intercept = -3

• slope = 2/3, y-intercept = 4

• slope = -12, y-intercept = -3

Find the slope and y-intercept:

6x + -2y = 18

• slope = -6, y-intercept = -2

• slope = -3, y-intercept = 9

• slope = 3, y -intercept = -9

• slope = 6, y-intercept = 3

What is the slope:

5x + 10y  = 30

• m = -1/2

• m = 1/2

• m = 3

• m = 1/3

Which of these represents point-slope form of a linear equation?

• y - y₁ = m(x - x₁)

• Ax + By = C

• y = mx + b

Write the equation in point-slope form of the line that passes through the given point and has the given slope.
(4, -7); m = -1/4

• y +7 = -1/4(x - 4)

• y - 4 = -1/4(x + 7)

• y+ 7 = 4(x - 4)

• y - 7 = -1/4(x - 4)

What does "m" represent in y=mx+b?

• y-intercept

• slope

• macaroni

• nothing

What is the slope in the equation:  y=4x+3

• 3

• 4x

• 4

• x

What is the y-intercept in the following equation:  y=-4x-5

• -4

• -4x

• 5

• -5

Determine the slope and y-intercept from the following equation:   y = 3/2x + 3

• slope: 5   y-intercept:  (0,3) 

• slope: 3/2   y-intercept:  (0,3) 

• slope:  4  y-intercept:  (0,3/2)

• slope: 1/5   y-intercept:  (0,5)