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EXPRESSIONS, EQUATIONS, AND FUNCTIONS
REAL NUMBERS
LINEAR EQUATIONS
WRITING AND SOLVING LINEAR EQUATIONS
SYSTEMS OF EQUATIONS
100
4(6n+7) when n=6
What is 172.
100

11- the square root of x when x=64

What is 3.

100
Identify the slope and y-intercept: 6x+3y=18
What is m=-2;b=6
100
Equation of the line that passes through the point (-2,9) and has slope -2.
What is y=2x+5
100
Solve the linear system: 5x+y=4, 6x-y=7
What is x=1, y=-1 or (1,-1)
200

3 times the difference of a number m and 15 is equal to 30 (in expression form)

What is 3(m-15)=30.

200
Simplify: -7x(x-13)
What is 7x^2+91x.
200
X-intercept and Y-intercept: -2x+5y=-20
What is x-intercept=10; y-intercept=-4
200
Equation in standard form of the line that passes through the two given points: (3,9) (1,1).
What is -4x+y=-3.
200

Solve the system of equations.

-10y+9x = -9

10y+5x = -5

x=

y= 

x= -1

y= 0

(-1,0)

300

is x=8 a solution for 2x+10<4x-7 ?

What is no

300
-16-(-25.2).
What is 9.2.
300
Solve for x: 16x-4=4(2x-3)
What is x=-1.
300
Equation of the line that passes through the given point and is perpendicular to the given line: (3,-3), y=x+5
What is y=-x.
300

Solve the system of equations.

5y-4x=-7
2y+4x=14

x= 

y= 

x= 3

y= 1

(3,1)

400

You buy apples at $2 per pound and oranges at $3.50 per pound. What is an expression for the total cost of fruit purchased? 

What is 2x+3.50y=c 

400
An elevator moves at a rate of -5.8 feet per second from a height of 500 feet above ground. It takes 6 seconds for the elevator to make its first stop. How many feet about the ground is the elevator now?
What is 465.2 feet.
400
Solve proportion: b/8=9/4
What is b=18.
400
Solve: abs(x-2)+6>9
What is x>5 or x<-1.
400

Solve the system of equations.

2y-3x = -27

5y+3x=6

x=

y=

x= 7

y= -3

(7,-3)

500

A rectangular banner is 16 feet long and has an area of 80 square feet. What is the perimeter of the banner?

What is 42 feet.

500
True or False: If a number is positive, then its opposite is negative.
What is True.
500

A wrestler decided to go on a high-protein diet to gain weight. After 11 months, he weighed 140 kilograms. He gained weight at a rate of 5.5 kilograms per month.

Let y represent the sumo wrestler's weight (in kilograms) after x months.

Complete the equation for the relationship between the weight and number of months.


What is y= 5.5x+79.5

500

Anna is mowing lawns for a summer job. For every mowing job, she charges an initial fee of $10 plus a constant fee for each hour of work. Her fee for a 5 hour job, for instance, is $35.

Let y represent Anna's fee (in dollars) for a single job that took x hours for her to complete.

Complete this equation for the relationship between the fee and number of hours.



What is y= 5x + 10

500
Solve the linear system: 2x+9y=16, 5x=1-3y
What is x=-1;y=2 or (-1,2)