Algebra 1 Review

Linear Equations and Inequalities

100

240 = -8(-5v + 5)

What is 7?

200

-1 = (r - 1)/2  - 5

What is 9?

300

8/(x + 4) = 6/(x - 7)

What is x = 40 and x ≠ -4 and x≠ 7.

400

-5(1-2n) ≥ -17 + 8n

What is n ≥ -6?

500

-27 -7h < -2h - (8h + 6)

What is h < 2?

Exponential Functions

100

The equation that models a baseball card is worth $50 and its value increases at a rate of 23.5% per year.

What is y = 50(1.235)^x?

200

The initial value in y = 5(1.05)^x.

What is 5?

300

The percent increase in y = 5(1.05)^x.

What is 5%?

400

The growth factor in y = 5(1.05)^x.

What is 1.05?

500

The percent decrease in y = 4.5 (0.65)^x.

What is 35%?

Quadratic Equations

100

Factor x² + 14x + 24.

What is (x+2)(x+12)?

200

Factor 9x² - 64.

What is (3x-8)(3x+8)?

300

Factor and solve 4x² - 20x - 144.

What is 

4(x-9)(x+4)

x=9 and x=-4?

400

The vertex of -2(x+1)²+8.

What is (-1, 8)?

500

The axis of symmetry of -2(x+1)²+8.

What is x=-1?

Statistics

100

The 5-number summary for 

{9, 11, 15, 17, 23, 24, 33, 33, 38, 38, 45, 46, 51}.

What is 

n = 13

min x = 9

Q1 = 16

Median = 33

Q3 = 41.5

max x = 51?

200

The interquartile range for 

{9, 11, 15, 17, 23, 24, 33, 33, 38, 38, 45, 46, 51}.

What is 25.5?

300

The percent of teachers who prefer tacos.

What is 11%?

400

The percent of students who prefer pizza.

What is 42%?

500

The number of people surveyed.

What is 285?

Systems of Equations

100

Solve by substitution:

2x + 8y = -16

y = x - 12

What is x=8 and y=-4?

200

Solve by substitution:

c - 3d = 1

-3c + 9d = 0

What is no solution?

300

3x + 6y = -15

x + 2y = -5

What are infinite solutions?

400

4m + 4n = -12

m + 2n = -2

What is m = -4 and n = 1?

500

2h - a = 1

8h + 4a = 6

What is a = 1/4 and h = 5/8?