Show:
EXPRESSIONS, EQUATIONS, AND FUNCTIONS
REAL NUMBERS
LINEAR EQUATIONS/GRAPHING
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: y=6 - 2x

What is m=-2;b=6

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: -7(x-13)

What is 7x+91.

200

Slope and Y-intercept: y = 0.4x - 4

What is slope=0.4; y-intercept=-4

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=8x - 12

What is x=-1.

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.
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.