CCSS.Math.Content.8.EE.C.7

Find the difference.
(7p + 4p³ - 8) - (-3p² + 2 - 9p)

• -3p² + 4p³ -15 + 9
• 3p³ + 4p² - p + 3
• 4p³ -3p² +16p -10
• 4p³ +3p² + 16p + 10

Tags

CCSS.Math.Content.8.EE.C.7

If f(x)=3x-9,
find f(5).

• f(5) = 6
• f(5) = 16
• f(5) = -4
• f(5) = 24

Tags

CCSS.Math.Content.8.EE.C.7

Simplify the expression: 3x + 2x

• 5x
• x
• 6x
• 5

Tags

CCSS.Math.Content.8.EE.C.7

A taxi charges $3, plus $1.50 for each mile traveled.  Mr. Lewis rode in the taxi from his home to the airport and was charged $30.  How many miles does Mr. Lewis live from the airport?

• 18 miles
• 20 miles
• 22 miles

Tags

CCSS.Math.Content.8.EE.C.7

Solve:
-4(-7-5x) > 188

• x < -32
• x > -32
• x < 8
• x > 8

Tags

CCSS.Math.Content.8.EE.C.7

y - 13 ≤ -15

• y ≤ 2
• y ≤ -2
• y ≤ 28
• y ≤ -28

Tags

CCSS.Math.Content.8.EE.C.7

 Solve the equation for x.
-8x - 8 + 3x - 6 = -3x + 2

• x = -8
• x = 8
• x = 2
• x = -2

Tags

CCSS.Math.Content.8.EE.C.7

Which is the correct factoring and solutions?
 $2h^2+11h+5\ =\ 0$  

• (2h +5)(h + 1);    h =   $-\frac{5}{2}$  ,  $-1$  

• (2h +1)(h + 5);    h =   $-\frac{1}{2},\ -5$  

• (2h +2)(h + 3)   h =  $-1,\ -3$  

• (2h +3)(h + 2)   h =   $-\frac{3}{2},\ -2$  

Tags

CCSS.Math.Content.8.EE.C.7

2x = 5

• x = $\frac{5}{2}$

• x = 10

• x = -10

• x = $\frac{2}{5}$

Tags

CCSS.Math.Content.8.EE.C.7

 $6b+1=1+7b$  

• No solution

•  $b=0$  

•  $b=13$  

•  $b=1$  

Tags

CCSS.Math.Content.8.EE.C.7