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EXPRESSIONS, EQUATIONS, AND FUNCTIONS
REAL NUMBERS
LINEAR EQUATIONS/GRAPHING
WRITING, SOLVING AND GRAPHING LINEAR EQUATIONS
SYSTEMS OF EQUATIONS
100

4(6n+7) when n=6

What is 172.

100

11- (square root of x) where 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

(1,-1)

200
3 times the difference of a number m and 15 is equal to 30 (as an expression)
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

What is the slope of that line that passes through (3,9) (1,1)?

4

200
Solve the system: 

x = 1 + y

2x + y = 11

(4, 3)

300

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

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

Is the ordered pair a solution to the linear system? (8,5), 5x-4y=20, 3y=2x+1

No, it only works for one of the equations.

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? Also, what is the total cost of 7 apples and 4 oranges?

What is 2x+3.50y=c ; 28

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)>9

What is x>11 or x<-7.

400

Solve the system:

y = 2x + 1

y = 4x - 5

(3, 7)

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

Graph: y=-x+7

What is look at graph.

500

Graph: y>4x-3

What is look at graph.

500

Solve the linear system: 2x+9y=16, 5x=1-3y

(-1,2)