Section 1.3-1.5 Review

Solving Equations

100

6r-2=8r-4

1

200

-3(8x-8)=24+7x

0

300

36+4a=4(a+7)

No Solution

400

6(r+6)=-(1-2r)+5

-8

500

-(8b+7)+6=-(1+3b)-5b

Infinite Solutions

Literal Equations

100

g=a-c, a

a=g+c

200

z=am, a

a=z/m

300

g=-4b+5a

a=(g+4b)/5

400

8a=-3wv, a

a=-(3wv)/8

500

5x+2m=(-24np)/y, x

x = (-2ym-24np)/(5y)

Solving Inequalities

100

-13+b>=-16

b>=-3

200

-2(-6+x)>=46

x<=-17

300

(-4+b)/2<5

b<14

400

40-8a>8(5-a)

No Solution

500

5(5-2n)>=-2n-8(n+6)

All real numbers

Word Problems

100

Alex earns $5 per hour. Ben earns $3 per hour than Alex but already had saved $12. After how many hours will they have the same amount of money?

4 hours

200

Company A charges $30 per hour for equipment. Company B charges a $50 initial fee plus $20 per hour. After how many hours will both companies cost the same?

5 Hours

300

Solve for the variable then find the value. The area of a triangle can be found with, If the area of a triangle is 48 square inches, and the base is 12, what is the height

A = (bh)/2

h = 6

400

Use the formula for perimeter below,

Solve for w, if the length is 5 meters and the perimeter is 60 meters

P = 2l+2w

w = 12.5

500

Maria and and Jake are saving money. Maria already has $40 and saves $5 per week. Jake has $25 and saves $7 per week. After how many weeks will hake have more money than Maria?

x>7.5 weeks

Or 8 weeks

Variety

100

What is the name of an angle that is less than 90 degrees?

Acute Angle

200

How many sides does a heptagon have?

7

300

2/3+4/10

16/15

400

How many people live in the United States (Within 10 million)?

340 million

500

Find the next number in the sequence.

1, 1, 2, 3, 5, 8, 13, 21, ...

Bonus 250 for the name of the sequence

34

Fibonacci Sequence