Algebra 1 - 1st Nine Weeks Review

Verbal

100

25 + 6x²

What is "25 more than 6 times a number x squared?"

200

2a + 6

What is "2 times a number a plus 6?"

300

a² - 18b

What is "a squared minus 18 times a number b?"

400

6z - 15 = 45

What is "Six times z minus fifteen equals forty-five?"

500

15 = 25u² + 2

What is "Fifteen is Twenty-five times a number u to the second power plus 2?"

Algebraic

100

x more than 7

What is x+7?

200

three times a number plus 16

What is 3x+16?

300

the quotient of 45 and r

What is 45/r?

400

Half of j minus 5 is the sum of k and 13

What is 1/2(j)-5=k+13?

500

The quotient of 25 and t plus 6 is the same as twice t plus 1

What is  25/t + 6 = 2t + 1?

Equations

100

Solve  x+4=9

What is x=5?

200

Solve |n-3|=5

What is n=8 and n=-2?

300

Solve 11x-4=29

What is x=3?

400

Solve 5a+2=6-7a

What is a=1/3?

500

Solve 7x+5(x-1)=-5+12x

What is "All real numbers?"

Proportions

100

Determine if the ratios are proportions.

2/3.5 , 8/14

What is "yes?"

200

Determine if the ratios are proportions.

0.3/1.5 , 0.5/2.0

What is "no?"

300

Solve (x-2)/14=2/7

What is x=6?

400

Solve 2.4/3.6 = k/1.8

What is k=1.2?

500

Find percent of change:

Original=500    New=131

What is 73.8% Decrease?

Linear Functions

100

Find f(-3) if f(x)=2x+4

What is f(-3)=-2?

200

Find f(-4) if f(x)=x²-3

What is f(-4)=13

300

2x-y=1 is in _____ form

What is Standard Form?

400

2x-3y=9 is a linear function

What is yes (true)?

500

Slope of the linear function with points (1,5) and (4,4)

What is m=-1/3?