8th grade math exam;; Quarter 3

What is the y-intercept in the equation?

y = 5x - 4

• (0,5)

• (0,-4)

• (-4,0)

• (5,0)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the y-intercept?

• 7
• 0
• 1
• 2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.SP.A.3

Find the value of y when x = 2.

• 2
• 6
• 7
• 8

Tags

CCSS.6.EE.C.9

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Alexandra finds that she can give 3 haircuts and 2 hair dyes in 315 minutes. Giving 2 haircuts and 4 hair dyes takes 450 minutes.  Which system of equations represents the situation?

• 3x + 2y = 315
  2x + 4y = 450
• 3x + 2y = 450
  2x + 4y = 315
• 2x + 2y = 315
  3x + 4y = 450

Tags

CCSS.HSA.CED.A.3

Solve for x and y
y = 2x + 1
y = 4x - 1

• (1,3)
• (-1,-3)
• (-1,3)
• (3,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Find the length of the missing side. 

• 17 cm
• 22 cm
• 15 cm
• 13 cm

Tags

CCSS.8.G.B.7

Find the length of the missing side. 

• 25 cm
• 42 cm
• 52 cm
• 48 cm

Tags

CCSS.8.G.B.7

_{^{Find the missing side}}

• 48
• 108
• 83.6
• 72

Tags

CCSS.8.G.B.7

solve for c

• 7
• 9
• 4
• 13

Tags

CCSS.8.G.B.7