PSSA Review

Exponents

100

5²

25

200

6⁵

7,776

300

Simplify the expression.

7².7³

7⁵

400

Evaluate the expression.

2².2⁴

64

500

x⁴

____

x³

x¹

Finding the Square Root

100

What is the square root of 64?

8

200

What is the square root of 9?

3

300

What is the square root of 16?

4

400

What is the square root of 169?

13

500

What is the square root of 625?

25

The Pythagorean Theorem

100

What are sides A and B called on a right triangle?

legs

200

What is the equation for the pythagorean theorem?

a²+b²=c²

300

What is the longest side on the right triangle called?

hypotenuse 

400

What is the hypotenuse of a triangle with a leg of 4 inches and a leg of 3 inches? (Remember to label!)

5 inches 

500

What is the length of the leg of a triangle with a leg of 5ft and a hypotenuse of 13 feet? (Remember to label!)

12 feet

Systems of Equations

100

Solve.

x+4=10

x=6

200

Solve.

m-15=30

m=45

300

Simplify.

3k+4k-6t

7k-6t

400

Simplify.

3r+7k+5r-10k+5p

8r-3k+5p

500

Solve for y.

7y+10=31

y=3

Finding the Slope of a Line

100

What is the slope in the following equation?

y=7x+18

7

200

What is the y-intercept in the following equation?

y=12x+23

23

300

What equation do you use to find the slope of a line on a graph?

Rise over Run

400

How do you find the slope of a line given a table?

Change in y over change in x

500

Find the slope.

(2,4) (-5,3)

Hint: Label your points. Y₂-Y₁ (Finish the equation)

-1/-7 or 1/7