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
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
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

Points?

Free?

200

This method involves solving a system by finding opposite terms, or eliminating terms in the problem.

What is elimination?

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

When I say free, you say points...free!

points!

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

Do you like free points?

YUP

400

freeeeebieeees

yuh

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

This method involves solving a system by setting one equation in terms of one variable to represent another variable.

What is substitution?

500

You already know :)

Free points yay!

500
True or False: If a number is positive, then its opposite is negative.
What is True.
500

Solve proportion: b/8=9/4

What is b=18.

500

What is the point-slope formula?

y-y1=m(x-x1)

500

Solve the linear system: 2x+9y=16, 5x=1-3y

What is x=-1;y=2 or (-1,2)

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