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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

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

What are the 3 methods to solve a system of equations?

What is graphing, elimination, and substitution.

300
x=8 a solution for 2x+10<4x-7
What is no 26<25 does not work!
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
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: 3(x-2) = 9

What is x = 5

400

Find the solution to this system of equations:

3x+y=6

4x−3y=−5

What is (1, 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

Identify the slope and y-intercept: y=-x+7

What is m = -1, b = (0, 7)

500

Use the equation y = 4x-3 to solve for x when y = 21. 

What is x = 6

500

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

What is x=-1;y=2 or (-1,2)