Andrew/Kyle Jeopardy

Slope Intercept to Standard

100

y=3x+8

-3x+y=8

200

3y=1/12x +b

-1/12x+3y=b 

300

-1/3y=4x+1

-4x-1/3y=1

400

-1/4y=14x-1.4

14x+1/4y=1.4

500

2y=-123x+124

123x+2y=124

Standard Form to Slope

100

x+y=c

y=-x+c

200

12x+y=6

y=-12x+6

300

-7x+y=4

y=7x+4

400

-12x+3y=6

y=4x+2

500

78x+2y=5

y=39x+5/2

Direct Variations

100

y=4X

Yes.

200

y=4x+1

No

300

What classifies Direct Variation.

If you divided Y/X and all come out as the same number, it is considered a direct variation

400

Is this a direct variation

1     3

2     6

4     12

yes

500

Is this direct variation

1     5

2    10

4    15

5    20

no

Parallel Lines

100

y=2x+5

y=2x+(any Number)

200

y=3/4x+31

y=3/4x+(any Number)

300

y=-12x

y=-12x+(any Number)

400

y=-4/6+21

y=4/6+(any Number)

500

-543x=y+12

y=-543x+(any Number)

Perpendicular lines

100

y=1x+3

y=-1/2x+(any Number)

200

y=-1/3x

y=3x

300

y=-43x+24

y=1/43x+(any Number)

400

Are these lines Perpendicular.

y=34x

y=1/34x

No, Perpendicular lines have opposite reciprocal slopes.

y=34x

y=-1/34x

500

What classifies a perpendicular line?

If the lines have opposite reciprocal slopes