Beg. Algebra- Semester 1 Final

Two Step Equations

100

2x + 10 = 90

x = 40

200

4x + 7 = 47

x = 10

300

10 x - 12 = 48

x = 6

400

8x - 2 = 14

x = 2

500

4x - 1 = -9

x = -2

Percent Equation & Pythagorean Theorem

100

What is 42% of 60?

There will be a decimal answer

25.2

200

What is 1% of 25

There will be a decimal answer.

.25

300

a= 3

b = 10

c = ?

c = 10.44

400

a = 10

b = 20

c = ?

c = 23.4

500

a = ?

b = 4

c = 5

a = 3

Scientific Notation

100

Write the number in scientific notation?

1,459

1.459 x 10³

200

Write the number in scientific notation.

29160

2.916 x 10⁴

300

Compute scientific notation.

(1.2 x 10²) x (1.2 x 10⁴)

1.44 x 10⁶

400

Compute in scientific notation

(2.5 x 10³) x (3.2 x 10²)

8 x 10⁵

500

Compute in scientific notation.

(3.65 x 10²) x (4.2 x 10⁶)

15.33 x 10⁸

Combining Like Terms

100

x² + 2x²

3x²

200

3x + y + 4x

7x + y

300

2x² +2x² +3x²

7x²

400

(3x⁴ + 2x³ + 2x²) + (2x⁴ + x³ + 6x²)

5x⁴ + 3x³ + 8x²

500

(2x² + 5x + 2y² + 3y) and (4x² + 3x + 5y² + 8y)

6x² + 8x + 7y² + 11y

Multiplying Polynomials

100

(x + 2) (x + 4)

x² + 6x + 8

200

(y + 4) (y + 5)

y² + 9y +20

300

(x - 1) (x + 2)

x² + x - 2

400

(d - 3) (d - 9)

d² - 12d +27

500

(x + 3) (x - 4)

x² - x - 12