Math 8: Weekly Review #10

What is the slope of this line?

• 1/5

• 1/3

• 3/1

• 2/5

Tags

CCSS.8.EE.B.5

Simplify the expression:
6 + 2(7x - 3) 

• 12 + 7x
• 14x
• 8x + 6
• 9 + 7x

Tags

CCSS.6.EE.A.3

How do you write the standard number 0.00095 in scientific notation?

• 9.5 x 10^-3

• 9.5 x 10^-5

• 9.5 x 10^-4

• 9.5 x 10^-6

How many solutions will this system have? 

• No solution
• One Solution
• I Don't Know
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

How do you calculate slope using a graph?

• rise over run
• run over rise
• look at the y intercept
• look at the x intercept

Tags

CCSS.8.EE.B.5

Does this mapping diagram represent a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.

• Yes, because each x-value has only one y-value paired with it.

• No, because the x-value 11 has two y-values paired with it.

• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

Which graph does NOT illustrate a Function?

• A

• B

• C

• D

2(-1x - 3) = 3 + x

• x = 3

• x = -3

• x = 9

• x = -9

Tags

CCSS.8.EE.C.7B

(2⁸)²

Tags

CCSS.8.EE.A.1

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