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

What is a Function?

What is a relationship where every input has EXACTLY one Output

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

How do I know when I am evaluating a function?

What is "I am given an input and finding the value of the output" or "I am given x and finding the value of y"

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

How can I find the y-intercept  of a function ALGEBRAICALLY?

What is plug in zero for 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

What is the domain of a function?

What is the range of a function?

What is "all the X values"

What is "all the Y values"

400

Evaluate the function when x = -2, 0 and 3

p(x) = -8x - 2


What is p(-2) = 14, p(0) = -2, p(3) = -26

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

How can I tell if two lines are perpendicular by looking at their slopes?


What is their slopes are negative (opposite) reciprocals

500

Find the value of x so that the function has the given value.

j(x) = 4x + 11; -13

What is -6