Proportions
Equations
Linear Equations
Functions
Word Problems
100

`x/4=3/2`

x=6

100

`-2(3x-5)=70`

x=-6

100

Find the slope 

(2,-4) and (3, -2)

m=2

100

What is the domain and range?

Domain is the set of x values and range is the set of y values

100

2 pizzas feed 5 people. How many pizzas feed 15 people?

6 pizzas

200

`2/5=5/x`

`x=25/2`

200

`-4(3-2x)=3(5x+3)`

x=-3

200

Find the slope 

(-3,4) and (2,-5)

`-9/5`

200

What shape does the parent function x2 look like?

U shape

200

The ratio of dogs to cats in a pet store is 5:3. If there are 25 dogs, how many cats are there?

15 cats

300

`-3/x=2/10`

x=-15

300

`-5(4x-3)+3=6(3-3x)-2x`

infinite solutions

300

Write the equation in slope intercept form

(3, -2) , slope=2/3

`y=2/3x-4`

300

Does a circle pass the vertical line test?

no

300

You get paid $55 for working for 4 hours. How much do you get paid per hour?

$13.75

400

`(x+1)/2=3/4`

`x=1/2`

400

`-5(7x+10)+20=3(-6x-10)`

x=0

400

Write the equation of the line perpendicular to y=2x-4 through the point (6, -2)

`y=-1/2x+1`

400

Evaluate f(2)

`f(x)=-2abs(2x-6)`

f(2)=-4

400
A car can drive 28 miles per gallon. How many gallons of gas does it need to drive 90 miles?

3.21 gallons

500

`(2x+2)/5=(x-3)/5`

x=-5

500

`7(4-2x)+4x=3(-3x+1)-x`

no solutions 

500

Write the equation of the line through 

(-3, 5) and (1, 3)

`y=-1/2x+7/2`

500

Evaluate at f(-1)

`f(x)=-x^2+2x-3`

f(-1)=-6

500

It takes one and a half hours to bike 25 miles. How many miles can you bike in 50 minutes?

13.89 miles

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