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

Solve: 11√x where x=64

What is 88?

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 (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
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 by substitution:

-4x+y=6

-5x-y=21

What is (-3,-6)?

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
Is the ordered pair a linear system? (8,5), 5x-4y=20, 3y=2x+1
What is No.
400
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.
400

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

What is True.

400
Graph: y=-x+7
What is look at graph.
400
Graph: y>4x-3
What is look at graph.
400
Solve the linear system: 2x+9y=16, 5x=1-3y
What is x=-1;y=2 or (-1,2)
500
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
500

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.

500
Solve proportion: b/8=9/4
What is b=18.
500

Solve: |x-2|+6>9

What is x>5 or x<-1.

500

Graph: 

y=-2x+2

y=-(1/2)x-4

What is (4,6)?

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