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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

True or False:  Every irrational number is a real number but not every real number is irrational.

True

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

Is the ordered pair (0, -4) a solution to the system of inequalities x > 4, y < 2?

What is no.

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: 5/3=6/(x + 2)

What is x=1.6.

400
Solve: abs(x-2)+6>9
What is x>5 or x<-1.
400

If 5x + 3y = 12 and 4x - 5y = 17, what is xy?

What is -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 non-negative, then its opposite is negative.

What is False.

500

The points (-3,-1) and (6, -4) lie on a line.  What is the equation of the line containing that line written in standard form?

What is x + 3y = -6?

500

Describe the graph: y > 4x-3

Dotted line at y = 4x - 3, passing through (0, -3) and (1, 1), shaded above.

500

Traveling against the wind, a plane flies 2100 miles in 4 hours and 40 minutes.  The return trip, traveling with a wind that is twice as fast, takes 4 hours.  Find the rate of the plane in still air.

What is 475 mph?