Math Extra Credit 1st 9 Weeks

Irrational Numbers

100

Which of the following is an Irrational number?

A) 5.75 B) Pie C)21/5 D)0.33333.... 

A) 5.75 

200

Which of the following is an Irrational number?

A)Square root of 175/7 B)3.25 C)Square root of 79

C)Square root of 79

300

Which of the following is an Irrational number?

A)Square root of 4 B)Pie C)Square root of 2

A)Square root of 4

400

Is it true or false that the square root of 5 is an irrational number?

True

500

Is it true or false that the square root of 278 is rational?

False

Exponents

100

What is 2⁴ in expanded form?

2 x 2 x 2 x 2

200

Evaluate the expression 100⁰ .

100⁰ =1

300

5^{3 =} ?

243

400

1⁸=?

No Answer

500

10⁶ =?

6,000,000

Scientific Notation

100

1.25 x 10^-3

0.00125

200

2 x 10^9

2,000,000,000

300

7.96 x 10^5

796,000

400

8.72 x 10^2

872

500

9 x 10^1

90

Equations

100

x + 1 = 9

x=8

200

-3 + 2x = 11

x=7

300

4x + 6 = -10

x=-4

400

x + 9 = 18 - 2x 

x=3

500

-x - 1 = 221 + 2x

x=-74

Slope

100

Find the slope of the line that passes through the points (-1 , 0) and ( 3, 8).

2

200

Find the slope of the line points that pass through points ( 2 , 0) and ( 2, 4) .

4/0

300

Find the slope of the line that passes through the points ( 7 , 4) and ( -9 , 4 ). 

0

400

What is the slope of the line parallel to the line whose equation is given by -y = - 2 x + 4?

y=2x-4

500

What is the slope of the line -7y + 8x = 9

y=(8/7)x - (9/7)