Tuesday, January 15, 2013

Answer Key for Choice Board Homework ALGEBRA :)

Hi! Here are the answers to your review choice board:

SLOPE INTERCEPT FORM QUESTIONS:
1.) Slope: -3/7
Equation: y = -3/7x + 5/7

2.) b = 5
Equation: y = 1/2x + 5

3.) m = 0
Equation: y = -9

4.) m = -5/3
Equation: y = -5/3x + 5

POINT-SLOPE FORM QUESTIONS:
1.) y + 2 = 1/2 (x - 4)

2.) y - 5 = -1/4 (x+2) or  y -4 = -1/4 (x-2)

3.) (-8, 9)

4.) y-5 = -4(x - 8)
y = -4x + 37

STANDARD FORM QUESTIONS:
1.) 80x - 225y = 900

2.) 6x + y = 2

3.) -3x + 4y = 17

4.) m = 4
Equation: y = -4x + y =1

MIXED UP! QUESTIONS:
1.) x = 5 vertical
y = -8 horizontal

2.) 5x + 100y = 220

3.) y = 6x-20

4.) y = 1/2x - 4

If you have any questions on where I got these answers, please come and see me during homeroom! :)  Have fun studying!

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