sem 1 finals prep - adv pre algebra

Ch 1

100

Evaluate 12/4+9+3x8

36

200

4+3(5²)

79

300

The temperature was 19 degrees below 0 (in Fahrenheit) today.

Write a signed number to represent this temperature.

-19

400

What is the absolute value of -8?

8

500

Evaluate the expression when b=4 and x=-5

5b-x

25

Ch 2

100

Evaluate 7(y+9)

7y+63

200

Evaluate 3c-8c+2c

-3c

300

Solve u-5=-4

u=1

400

Solve 161-x=11

x=150

500

Evaluate -2(x+2)+6x

4x-4

Ch 3

100

Solve 6+4x=2

x=-1

200

Solve 6=2u+41+3u

u=-7

300

Solve 4(u-1)+7=5(2u-3)

u=3

400

6(x+1)-10=4(x-1)+2x

All real numbers are solutions

500

Solve 5(2+v)-v=10+4(v+1)

No solution

Ch 4

100

Translate the sentence into an inequality.

Six times b is greater than -22

6b>-22

200

What kind of circle is used to graph a < or > sign?

open circle

300

Solve 1>w+8

-7>w

400

Solve -2< v/-4

8>v or v<8

500

Solve -20+7(3-v)<-3(v+9)

v>7 or 7<v

Vocab

100

True or false?

8xy and 14y are like terms.

false

200

What digit can you add to any expression without changing the identity?

0

300

What are parentheses, brackets, and expressions above/below a divisor bar called?

Grouping symbols

400

define a constant

a term with no variable

500

Changing the grouping of addends does not change the sum; (a+b)+c=a+(b+c)

Associative property of addition