2/25 Review Jeopardy

slope

100

Find the slope between (2,5) and (6,13).

2

200

Find the slope of 4x-2y=10.

2

300

Find the slope of y=-7.

0

400

Find the slope between (-3,4) and (1,-8).

-3

500

Find the slope of x=6.

undefined

equations

100

Find the slope and y-intercept of y=3x-8.

m=2, b=-8

200

Write the equation of a line with m=5 and y=2.

y=5x+2

300

Write the equation through (1,4) when m=3.

y=3x+1

400

Find the zero of f(x)=4x-12

x=3

500

Find the equation through (-2,5) and (4,11).

y=x+7

parallel/perpendicular

100

Are y=2x+3 and y=2x-5 parallel, perpendicular, or neither?

parallel

200

Are y=-3x+1 and y=1/3x-7 parallel, perpendicular, or neither?

Perpendicular

300

Write an equation parallel to y=4x-2 through (0,5).

y=4x+5

400

Write an equation perpendicular to y=1/2x+3 through (2,1).

y=-2x+5

500

Are 3x+2y=6 and 6x+4y=10 parallel, perpendicular, or neither?

parallel

solve it

100

3x-7=11

x=6

200

5(x-2)=3x+4

x=7

300

4x + 3 ≤ 15

x ≤ 3

400

3 < 2x + 1 ≤ 9

1 < x ≤ 4

500

A gym charges $20 plus $15 per month.
Write the equation and find the cost after 6 months.

C(x) = 15x + 20
C(6) = 110

simple interest

100

Find the interest on $500 for 2 years at 4%.

I = 500(.04)(2) = 40

200

Find the interest on $800 for 3 years at 5%.

I = 800(.05)(3) = 120

300

You invest $1,000 for 3 years.
How much interest at 4%?
How much at 6%?

4% → $120
6% → $180

400

$2,000 invested for 5 years.
Compare interest at 3% and 7%.

3% → $300
7% → $700

500

A phone plan charges $30 per month plus $0.10 per text.
Your bill was $55.
How many texts were sent?

Equation: 55 = 30 + 0.10x
25 = 0.10x
x = 250 texts