Linear Equations Multiple Representations

Solve the system by graphing

-9x + 6y = 12

4x - 8y = 16

• (2, 5)

• (-4, -4)

• (-4, -2)

• (-2, -1)

Tags

CCSS.8.EE.C.8B

The graphs of two linear equations are shown. What is the best estimate of the solution to the system of linear equations?

• (0, 3)

• (3, 0)

• (0, -3)

• (-3, 3)

• (-3, 0)

Tags

CCSS.8.EE.C.8B

Identify the m and b in the following equation:
y = 2x + 5

• m = 5
  b = 2

• m = 2
  b = 5

• m = y
  b = x

• why are there letters in math?!

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the rate of change (m) for the table?

• m = 90

• m = 18

• m = 1/9

• m = 9

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Stella got a new internet plan.  The company charges her $0.15 for each minute plus a monthly fee of $40.  What equation would be used to calculate how much the cost is for her new internet plan?

• y=0.15x-40

• y=0.15x+40

• y=0.15-40x

• y=0.15+40x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

The graphs of two linear equations are shown. What is the best estimate of the solution to the system of equations?

• (0, 2)

• (2, 0)

• (2, -2)

• (-2, -2)

• (-2, 2)

Tags

CCSS.8.EE.C.8B

Write an equation for this situation.

• y=9.75x

• y=x + 19.25

• y=19.25x

• y=9.5x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Give the x-intercept
3x + 8y = 24

• (8, 0)

• (0, 8)

• (3, 0)

• (0, 3)

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

Give the slope and y-intercept
6x - 3y = -9

• slope is 6 
  y-intercept is 9

• m=2
  b=3

• slope is 2
  y-intercept is -3

• m = 3
  b = 2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3