4th Period Midterm Review

Unit 1

100

What is the difference in rational and irrational numbers?

rational numbers: can be written as a fraction or decimal, terminationg decimals, perfect squares, repeating decimals 

irrational numbers: cannot be written as a fraction or decimal, non-terminating decimals, non-perfect squares, non-repeating decimals

200

classify the number (natural, whole, integer, rational, irrational, or real) List all that apply 

45/5

natural, whole, integer, rational, real

300

Which of the following fractions would convert to a repeating decimal with a value greater than one?

A. 14/9 

B. 13/2 

C. 5/8 

D. 2/3

A

400

A square serving platter has an area of 124 in² Which is the best estimate of one side length of the platter?

A. 31 inches

B. 11.6 inches

C. 11.8 inches

D. 11.1 inches

D

500

Kali has completed 5/12 of a project for her

English class. Express this value as a decimal.

Then, state if the decimal is terminating or

repeating.

0.416 repeating 

Unit 2

100

Simplify 

x¹² / x⁶

x⁶

200

Convert into scientific notation.

42,670,000 

4.267 x 10⁷

300

Which has a value greater than 600 but less

than 6,000?

A. 6.1 x  10³

B. 5.26 x 10³

C. 5.9 x 10⁴

D. 7.87 x 10³

B

400

Convert to scientific notation 

1,850,000

1.85 x 10⁶

500

Convert to standard form 

8.345 x 10^-6

0.000008345

Unit 3

100

what is the difference between an equation and expression?

equations have an equals sign

200

simplify the expression 

7m + 19g – 10m + 6g

-3m + 25g

300

Solve the equation below.

34 = -2 + 9x + 16 + x

x=2

400

Solve the equation 

-3(2p – 3) + 10p = 39

p = 7.5

500

Solve the equation 

6 + 12(x + 3) = 7x + 30 + 6x

x = 12

Unit 4

100

What is slope?

rate of change 

rise over rise

200

What are the 4 types of slope?

positive, negative, zero, undefined

300

Find the slope 

(2, 4) and (1, 7)

- 3

400

Find the slope 

(5 , 4)   (5 , 0)

undefined

500

Write in slope intercept form

(1, 4) and (0, 11)

y = -7x + 11

Unit 5

100

What is a function?

Every input has exactly one output

200

How can we identify a function on a graph?

vertical line test

300

What 3 ways can we identify a function as linear?

set up as y = mx + b, straight line, constant rate of change

400

Write as an equation for 

Slope = -5; (5, -22)

y = -5x + 3

500

Write as an equation 

(-4, 0) and (1, 5)

y = x + 4