Lab Practice

Square Roots and Irrational Numbers

100

What is the square root of 49?

7

200

Between which two integers does square root of 20 fall?

4 and 5

300

Is the square root of 16 rational or irrational?

Rational

400

Is pi (3.1415926...) rational or irrational?

Irrational

500

Which number is irrational:

square root of 25

0.75

square root of 7

4

square root of 7

Exponents and Scientific Notation

100

What is 3²?

9

200

Simplify 10³

1000

300

Write 5,000 in scientific notation

5 x 10³

400

Simplify 2³ x 2²

2⁵=25

500

Which is larger 3 x 10⁴ or 5 x 10³ ?

3 x 10⁴

Linear Equations

100

Solve x+5=12

x=7

200

Solve 2x=14

x=7

300

Solve 3x-4=11

x=5

400

Solve 2(x+3)=10

x=2

500

Solve 4x+3=2x+15

x=6

Functions and Graphs

100

In the equation y=3x, what is the slope?

3

200

If y=2x, what is y when x=4

y=8

300

What is the slope of a horizontal line?

0

400

What does slope represent in a linear relationship?

Rate of change, how we move

500

Do the lines y=2x and y=2x+5 intersect?

If so, give the solution.

No, there are no solutions because the lines are parallel

Geometry

100

State the Pythagorean Theorem

a²+b²=c²

200

If a=3 and b=4, what is c?

c=5

300

Find the hypotenuse with a=6 and b=8

c=10

400

Find the missing side: c=13, a=5

b=12

500

A ladder is 10 ft long and reaches 8 ft up a wall. How far is the base of the ladder from the wall? 

6 ft