Algebra 1 STAAR Review Game

Linear Equations

100

Find the slope of the equation y=-x + 1

-1

200

What is the y-intercept of y=3x-6

-6

300

What is the slope of 2y=6x-10

3

400

What is the slope of y=6?

0

500

What is the slope of x=-2

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Quadratic Equations

100

What is the solution to y=5x²

0

200

What are the solutions to y=2x²-18?

3 and -3

300

What is the vertex of the graph of the equation y=x²+4?

(0,4)

400

What are the solutions to y=(x-3)²-25

8 and -2

500

Which of the following is equivalent to x²+4x-21?

A. (x+4)(x-21)

B. (x+7)(x-3)

C. (x-4)(x+21)

D. (x-7)(x+3)

B. (x+7)(x-3)

Vocabulary

100

Define rate of change

slope, rise over run

200

Define x and y intercepts

X-Intercept is where the graph touches the x-axis

Y-Intercept is where the graph touches the y-axis

300

What are the other names for x-intercept?

zero, root, and solution.

400

Define variable

a letter that represents an unknown value.

500

Define asymptote

an invisible line or boundary that a graph will get really close to, but never touch or cross.

Solving Equations

100

Calculate: 8-(-5+3*7)

-8

200

Solve:3x-12=x+26

19

300

Solve:

1/2(x+6)=2x-15

12

400

−16 + 5n = −7(−6 + 8n) + 3

1

500

12(2k + 11) = 12(2k + 12)

no solution

Calculator Tricks

100

What do you press in the calculator to change a decimal to a fraction?

Math  Enter  Enter

200

How do put a fraction in the calculator?

Alpha y= Enter

300

How do you zoom out on a graph?

zoom  3  enter

400

How do you find the intersection of two lines on a graph?

2nd Trace 5 Enter Enter Enter

500

How do you know if expressions are equivalent?

Type them all into y= then press graph. Whichever line replaces the blue line is equivalent.