Unit 2 Review Algebra

Write the linear equation that is solved by both (−6, 2) and (0, 4):

• y = (1/3)x + 4

• y = (-1/3)x + 4

• y = -3x + 4

• y = 3x + 4

What is the equation of the line that goes through the points (2, 9) and (3, 1) ?

• y= 8x - 5

• y= -8x + 25

• y= (1/8)x - 2

• y= (-1/8)x + 1

Which equation has a line that would pass through both (8, 5) and (9, −1) ?

• y = 6x + 53

• y = −6x - 53

• y = (−4/5)x + 53

• y = −6x + 53

#6 Which graph is correct for y = -2x +4?

• A
• B

#7 Which graph is correct for y = x - 4?

• A
• B

#9 Which graph is correct for y = 4x?

• A
• B

What is point-slope form?

• y = mx + b

• Ax + By = C

• A² + B² = C²

• y = m(x - x₁) + y₁

Write the equation of the line in slope-intercept form with slope m = 4 through the point (-2, 5).

• y = 4x - 13

• y = 4x + 13

• y = 4x - 3

• y = 4x + 3

Write the slope-intercept form of the equation with the given point and slope.

Through ( - 1,4 ) and m = - 3

• y = x - 3

• y = - 3x + 1

• y = x + 2

• y= - 3x + 4

What is the x and y intercept for the following equation ?
4x - 10y = 20

• x - int = 4    
  y-int = -10
• x-int = 5
  y-int = 2
• x - int = 5
  y int = -2
• x -int = 4
  y -int = -10