MCAS Review

Scientific Notation

100

Write 3.4 x 10⁵ in standard form

340,000

200

Write 0.00088 in scientific notation

8.8 x 10^-4

300

Multiply (3.5 x 10⁶) x (1 x 10⁹)

3.5 x 10¹⁵

400

Divide (8.4 x 10⁸) / (3.5 x 10⁴)

2.4 x 10⁴

500

Add (9.7 x 10^-8) + (2.2 x 10^-8)

1.19 x 10^-7

Slope

100

What is the slope in the equation y=3x+6

3

200

What is the y-intercept in the equation y=4x

0

300

Find the slope between the two points

(1, 3) and (6, 2)

-1/5 

400

Find the slope between the two points

(4, -3) and (6, -1)

1

500

A company has 30 employees and is gaining 4 new employees each month. Write an equation to represent the situation in slope-intercept form.

y=4x+30

Functions

100

Is this a function?

(0, 4) (3, 5) (0, -2) (10, 4)

No, 0 repeats 

200

Is this equation linear or non-linear?

y=-5x

Linear

300

Find the y-intercept using the ordered pair and slope

m = 2

(-3, -4)

2

400

Find the y-intercept using the ordered pair and slope

m = 1/3 

(6, 14)

12

500

Find the y-intercept using the two ordered pairs

(-4, 0) and (1, 5)

4

Equations

100

Simplify the expression

7 - 9x - 15 + 12x

3x - 8

200

Solve for x

-6 + x = 3.6

9.6

300

Solve for x

2x + 10 = 18

4

400

Solve for x

-3x + 16 + 5x = 8

-4

500

Solve for x

9(x + 3) = 4x - 3

-6

Pythagorean Theorem

100

Solve for c

a = 3

b = 4

5

200

Solve for c

a = 8 

b = 6

10

300

Solve for a

b = 12 

c = 13

5

400

Solve for b

a = 9

c = 41

40

500

Solve for c. Round your answer to the nearest tenth

a = 2 

b =5

5.4