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Solving Equations

100

Solve -7x + 5 = -16

x = 3

200

Solve 2(x + 3) + 4 = 3x - 1

x = 11

300

6x + 5 = -(2x + 11)

x = -2

400

4(x + 2) = 2(2x + 1) + 7

No solution

500

3(2x - 5) = 6x - 15

Infinitely many solutions

Inequalities

100

When solving an inequality, when should you flip the inequality symbol?

When multiplying or dividing by a negative

200

Solve 5x - 4 < 2x + 8

x < 4

300

Solve 5(x + 1) - 2 > -3x - 1

x > -1/2

400

Solve -5<3x+1<10

-2<x<3

500

Solve 2x -1 < -5 OR 3x + 2 > 11

x < -2 or x > 3

Linear Equations

100

Write the formulas for slope-intercept, standard, and point-slope form.

y=mx+b, Ax+By=C, and y-y1=m(x-x1)

200

What are the point and slope of the linear equation 

y - 3 = -(x + 4)

(-4, 3); m = -1

300

What are the x- and y- intercepts of 6x - 4y = -36

(-6, 0) and (0, 9)

400

Write an equation in slope-intercept form that passes through the point (-2, 5) and has a slope of 1/2.

y = 1/2x + 6

500

Write an equation in point-slope form that passes through the points (7,-2) and (1, 6).

y+2=4/3(x-7) or y-6=4/3(x-1)

Random!

100

What is the slope of a line parallel to y = x + 2

m = 1

200

Solve I = prt for r

r = I/pt

300

What is the slope of a line perpendicular to 

5x - 3y = 10

-3/5

400

Solve the following absolute value equation 

|2x - 4| - 6 = 

x = {-1, 5}

500

Is the following relation a function? Explain why or why not.

{(-2, 3), (4, 5), (-1, 3), (6, 7), (4, 1)}

No, there is a repeated x-value (4)