Week 1 & 2 Review

One-Step Equations

100

Solve for x

x + 76 = -5

x = -81

200

Solve for x

x - 6 = 30

x = 36

300

Solve for x

6x = 72

x = 12

400

Solve for x

1/4x = 2

x = 8

500

What kind of slope does this linear equation have?

y = -5x + 2

Negative slope

Two-Step Equations

100

Solve for x

2/3x = 10

x = 15

200

Solve for x

6x + 8 = 50

x = 7

300

Solve for x

-4x + 9 = 13

x = -1

400

Solve for x

1/2x + 13 = 9

x = -8

500

What is the y-intercept of the following linear equation?

y = -4/3x

(0,0)

0

zero

Literal/Multi-Step Equations

100

Solve for r

d = rt

r = d/t

200

Solve for b

A = bh

b = a/h

300

Solve for c

g = xc - b

c = (g + b)/x

400

Solve for n

n + 2 = -4 + 2n

n = 6

500

Solve for n

6n - 3(-3n + 2) = -24 + 6n

n = 2

Solving Systems of Equations Graphing Method

100

y = 1/4x - 3

y = 3/2x + 2

(4,-4)

200

y = -1/3x + 5

y = 2x - 2

(3,4)

300

y = 2x - 5

y = x - 1

(4 ,3 )

400

y = 5

y = x + 1

(4 , 5)

500

How do I write the solution to a systems of equations?

Ordered pair

(x,y)

How many solutions?

100

y = -x + 1

y = -x + 1

Infinitely many

200

y = -3/2x + 1

y = -2/3x + 1

One solution

300

y = 1/2x - 3

y = 1/2x + 5

No solution

400

Refer to the graph

One solution

(0,3)

500

Refer to the graph

No solution