Week 5 Algebra Quiz 30

How do you solve the equation:  $\sqrt{x}=\ 25$  

• Take  $25^2$  

• Multiply 25 by 2

• Take  $\sqrt{25}$  

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.A.2

If f(x)=2x² and g(x)=3x-7, find f(3) - g(-2).

• 18
• 5
• 31
• -13

What is the definition of a function?

• Has inputs and outputs
• Each input has exactly one output
• Has repeating inputs
• No repeating outputs

-99 - 2x = 48 + 5x

Clear the equation to solve.

• g=1

• g=6

• g=24

• g=12

• a=-14/9

• a=-9/14

• a=-21/6

• a=6/21

Solve the inequality:

–2x > –10

• x > 5

• x < 5

• x > –5

• x < –5

Tags

CCSS.6.EE.B.8

Solve the inequality:

3(x – 1) ≥ –9

• x ≥ –2

• x ≥ 2

• x ≤ –2

• x ≤ 2

Tags

CCSS.7.EE.B.4B