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
-16-(-25.2).
What is 9.2.
100
Identify the slope and y-intercept: 6x+3y=18
What is m=-2;b=6
100

Equation of the line that has y-intercept of 5 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

Oscar has 100 goldfish in his pet store, he sells 8 per day. Write an equation that shows how many goldfish Oscar will have after 7 days and solve.

What is y=100-8x, y=44

200

Simplify: 2x+y=-6x + 5

What is y= -8x +5

200
X-intercept and Y-intercept: -2x+5y=-20
What is x-intercept=10; y-intercept=-4
200

Equation of a line in slope intercept form with a slope of -4 and y intercept of 3

What is y=-4x -3.

200

Solve this system y=5 and y=2x + 3

What is x=1

300
x=8 a solution for 2x+10<4x-7
What is no 26<25 does not work!
300
True or False: If a number is positive, then its opposite is negative.
What is True.
300
Solve for x: 16x-4=4(2x-3)
What is x=-1.
300

Identify the slope and y intercept of this line y=-7x +4

What is slope of -7 and y intercept of (0,4)

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
Graph: y=-x+7
What is look at graph.
400

Graph: y=4x-3

What is look at graph.

400

Solve this system of equations: 2x + 7y = 15

and -2x - 2y= 5

What is (-6.5, 4)

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

Solve for y: 4y=3x -3 when x=5 

What is y=3

500

Graph y= 2x - 5

What is show me the graph

500

Graph y=-3x+10

What is show me the graph

500
Solve the linear system: 2x+9y=16, 5x=1-3y
What is x=-1;y=2 or (-1,2)
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