BKC Math 1

Proportions

100

Does this ratio form a proportion? Yes or No

4/10 and 8/20

Yes

200

Does this ratio form a proportion? Yes or No

3/12 and 4/16

Yes

300

Solve for x.

4/9 = 2/x

x=4.5

400

Solve for x.

x/12 = 10/2

x=60

500

Solve for n.

10/12 = 2/n

n=2.4

600

8n/8 = 8/3

2.6 or 2.66

Slope

100

What is the slope?

y= 1/2x -1

1/2

200

What is the slope?

y= -7/5x - 3

-7/5

300

Find the slope

(5,0) (2,4)

-4/3

400

Find the slope

(-1,2) (5,-3)

-5/6

500

Find the slope

3x+y=2

-3/1

600

Find the slope

-7x+2y=-6

7/2

Scientific Notation

100

Write in standard form

3.105 x 10²

310.5

200

Write in scientific notation

5,622

5.622 x 10³

300

Write in standard form

6.55 x 10³

6550

400

Write in scientific notation

294200

2.942 x 10⁵

500

Write in standard form

5.556 x 10⁶

5556000

600

Write in standard form

7 x 10⁸

700000000

System of Equations

100

Find x and y 

2x + 8y = 20

y=2

x = 2

y = 2

200

Find x and y

2x + y = 10

y = 5

x = 5/2

y = 5

300

Find x and y

7x - 2y = -7

y = 7

x = 1

y = 7

400

Find x and y

y = 8x - 9

y = 7

x = 2

y = 7

500

Find x and y

3x + 4y = -17

y = -5

x = 1

y = -5

600

Find x and y

y = 6x - 9

y = -3x

x = 1

y = -3

Monomial/Polynomials

100

5 (6p - 6)

30p - 30

200

-2 (5x + 12)

-10x - 24

300

4x (4 - x)

16x - 4x²

400

3 (9x - 2y)

27x - 6y

500

5a (2a - 3b)

10a² - 15ab

600

2x (x² -7x + 1)

2x³ - 14x² + 2x