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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

A negative times a negative will result in this kind of number

What is a positive.

100

What is the slope of the line y=2x+3

What is 2

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). You are not solving, just setting up the equation.

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

When graphing y>x-4, what kind of line would you draw and where would you shade?

What is a dotted line shaded above

300

Is x=8 a solution for 2x+10<4x-7

What is no 26<25 does not work!

300

Simplify -2(5-2)2

What is -18

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

Combine all like terms and rewrite in standard form:

x + 5 -2x2+30-x+15-8x2

What is -10x2 +40

400
Solve proportion: b/8=9/4
What is b=18.
400

Write an equation that can represent a phone line costing 40 dollars a month and 1.25 dollars for every gigabyte used of data. Let x represent the amount of gigabytes used, and y the amount of dollars the plan will cost.

What is y=1.25x+40 or 40+1.25x

400

Given x<3 and y>5 would (3,4) be in the solution set?

What is No

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 reciprocal is negative.

What is True.

500

Identify the slope and y-intercept: 6x+3y=18

What is m=-2;b=6

500

Sammy drove down to Florida, which is 1146 miles. If he his car is able to drive 220 gallons on a full tank, how many times did he need to stop for gas?

What is 6 times

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