8th grade Review

Find the slope: (a)  

• 3/4
• 4/3
• -3/4
• -4/3

find the slope

• 3/2
• -3/2
• (-0,-3)
• none of the above

Simplify: (b⁶)²

• b⁸

• b⁴

• b¹²

• b³

Write the following in scientific notation:

65,000,000

• 65 x 10⁶

• 6.5 x 10⁷

• -6.5 x 10⁶

• 6.5 x 10^-7

Which linear equation has a slope of -3 and a y-intercept of (0,4)?

• y = 3x - 4

• y = -3x + 4

• y = 4x - 3

• y = -4x + 3

If________________, how much is it?

• 230

• 317

• 352

• 410

Solve for x.

• 5
• -2
• 4
• 12

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

Solve for the variable x in the following equation:
 $3x=12$  

•  $x=9$  

•  $x=3$  

•  $x=15$  

•  $x=4$  

What is the constant of proportionality?

• $3
• $4
• $2
• $9