Quarter 3 and 4 review

Vocabulary

100

0.222222222222 is an example of what kind of decimal?

a repeating decimal 

200

What is the difference between supplementary and complementary angles?

complementary= 2 angles that add up to 90

supplementary = 2 angles that add up to 180

300

What is an integer?

any whole number and its opposite (ex: 1, -1)

400

What is absolute value?

the distance from zero on a number line 

500

What is a rational number

a number that can be written as a fraction, can NOT have 0 in the denominator

Integers + and -

100

will the answer be negative or positive in the question below..

- + - =

negative

200

2 + -3 

-1

300

-5 - -3

-2

400

-5 - 2 +8=

negative 5 minus 2 plus 8

1

500

3 + (-4) - -3 =

3 plus negative 4 minus negative 3

2

Integers x and /

100

-4 x -5

20

200

10/-2

-5

300

-6 x 4 / -2

12

400

-20 / -5 x -2

-8

500

2 x -3 / 2

-3

equations and inequalities

100

x + 2 =8

x=6

200

if x=4 solve the equation below

3x + 12 = ?

24

300

2x -1 = 11

x=6

400

3x + 2 > 11

x >3

500

-4x - 5 < 7

x > -3

Random!

100

When you divide fractions, what do you need to do?

Change the sign to multiplication and then flip the second fraction (use the reciprocal)

200

When you add and multiply fractions, you need to have a common denominator. True or false? if it's false, what is the correct answer?

false! Only with adding and subtracting

300

What are the line two line segments of a circle called? (hint: the one that goes from one end to the other and the one that goes from the middle to the edge)

radius and diameter

400

When you divide or multiply by a negative on both sides of an equality...what is the thing that you need to change?

the symbol needs to be flipped!

500

What is the formula for constant of proportionality?

k=y/x