All Things Linear
Inequality Answers
Solving & Simplifying
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100

Identify the slope and y-intercept of y=-2x-3.

What is a slope of -2 and a y-intercept of -3.

100
Solve |x-1|>4.
What is x<-3 or x>5?
100
-5x-6=14
What is x=-4?
100
Name the slope and point in y-1=-3(x+2)
What is a slope of -3 and point (-2,1)?
100
You know a set of coordinates represents a function if none of the ____________ repeat. You know a graph represents a function if it passes the ___________ Line Test.
What are x-coordinates and Vertical Line Test?
200

This type of line has a slope of 0?

What is a horizontal line.

200
Solve |3x+4|<7.
What is -11/3-11/3 and x<1)?
200
-6(x+2)=24
What is x=-6?
200

Write an equation that models your bank account if you start with $240 in the account and withdraw $15 a week.

What is y=240-15x? (y=-15x+240)

200
Graph y= x^2-2x +8. State the domain and range.
What are D: ARN and R:{y|y>=7}?
300

To graph a line with slope -2/3 you would move like this.

What is down two, right three?

300
Graph x>=-5 and x<2.
What is a closed circle at -5, an open circle at 2, and shading between?
300
Simplify 4(x-1)+3(6-3x).
What is -5x+14?
300
Find the next four terms in the sequence 1,1,2,3,5,8,13,21.
What are 34,55,89,144?
300
Write a function that describes the arithmetic sequence -3,1,5,9,13
What is y=4x-7?
400

Find the slope of a line containing points (-1,-3) and (4,-2).

What is 1/5?

400
Express the following situation using inequalities. Martha is willing to clean no more than 8 houses a week as a part time job. Let x represent the number of houses.
What is x<=8?
400
2x+3=5-10x
What is x=1/6? (x=2/12)
400
Find the coordinates of the y-intercept of the graph y-2=3(x+1).
What is (0,5)?
400

The graph of x=7 would be a ___________ line.

What is vertical?

500

Write an equation in y=mx+b form -5y+10x =15

What is y=-2x-3 ?

500

On a coordinate grid the shaded region represents this.

What are all the points (x,y) that are solutions to both equations?

500

A=bh, solve for b.

What is b=A/h?

500

Becca decides to start a Pay It Forward scheme by doing good deeds for 2 people. They in turn will do good deeds for two more people, and so on. Write a rule that describes the number of good deeds N at any stage x of the Pay It Forward process.

What is N=2^x? (2 to the x power)

500

4 friends decide to start a Pay It Forward scheme by doing good deeds for 3 new people each. Write a rule that describes the number of good deeds N at any stage x of the Pay It Forward process.

What is N=4*3^x? (four times 3 to the x power)

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