Linear Equations

Slope-Intercept Form

100

y=4x-2

m=4 ; b=-2

200

Slope=8 

Y-Intercept=-9

y=8x-9

300

Slope= -1

Y-Intercept= -5

y=-x-5

400

6y+3x=18

y=-1/2x+3

500

-4+2y=10

y=7

Standard Form

100

4.2×10^5 in written form

420,000

200

2.8×10^−4 in written form

0.00028

300

56,700,000 in standard form

5.67×10^7

400

0.0000099 in standard form

9.9×10^−6

500

(6 × 10^2) + (3 × 10^3) Give your answer in standard form

3.6x10^3

Point-Slope Form

100

y-10=-3(x-2)

y=-3x=16

200

y+15=-2(x-2)

y=-2x-11

300

y-(-3)=-2(x-4)

y=-2x+5

400

y-(-3)=3(x-4)

y=3x-15

500

y-(-7)=-5[x-(-1)]

y=−5x−12

Mixture

100

y-2=-5/2(x-3)

y=-5/2x+19/2

200

-y=2/3x

y=-2/3x

300

2x+4y=12

y=3 ; x=6

400

(3 × 10^5) × (4 × 10^4) Give your answer in standard form

1.2x10^10

500

3.19x10^18

3,190,000,000,000,000,000

Bonus

100

1+1

2

200

2+2

4

300

3+3

6

400

4+4

8

500

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