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

Y-intercept: -2x+5=y

y-intercept 5

200
Equation in standard form of the line that passes through the two given points: (3,9) (1,1).
What is -4x+y=-3.
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.
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)+6>9
What is x>5 or x<-1.
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.