Practice 3.3 to 3.9

Quick Math

100

What is 9²?

81

200

What is the square root of 144

12

300

Solve: 3x+2=11

x=3

400

Solve: 12x=24

x=2

500

What is the GCF for (9,81)

9

Number of Solutions

100

A positive discriminant gives how many real solutions?

Two

200

A zero discriminant gives how many real solutions?

One

300

A negative discriminant gives how many real solutions?

Zero real solutions

400

Does x²=9 have one or two real solutions?

Two

500

Does x²=-9 have any real solutions?

No

Solving Exponential Forms

100

2^x=4

x=2

200

2^3x=4

x=2/3

300

Solve 2^x+1=8

n=2

400

Solve 2^r-2=32

r=7

500

Solve 3^r-3=243

x=8

Quadratic Formula Parts

100

In x²+3x+1=0, what is a?

1

200

In x²+4x+2=0, what is b?

4

300

In 2x²+3x=-1, what is a?

2

400

What symbol in the quadratic formula tells us to add and subtract?

±

500

What is the Discriminant Formula?

b²−4ac

Completing the Square

100

Divide 6 by 2.

3

200

Divide 8 by 2?

4

300

Complete: x²+6x+__

9

400

Complete: x²+8x+__

16

500

Complete: x²+10x+__

25