MPT Algebra 3

Question 1

Which value of x satisfies the system: x + y = 7 and 2x - y = 5?

Accepted Answer

4

Answer

3

Answer

6

Answer

2

Question 2

Simplify: (x² - 9)/(x + 3)

Accepted Answer

x - 3

Answer

x + 3

Answer

x² - 3

Answer

(x - 3)(x + 3)

Question 3

An investment of $1,200 earns 5% simple interest per year. How much interest is earned in 3 years?

Accepted Answer

$180

Answer

$60

Answer

$360

Answer

$1,380

Question 4

What is the domain of f(x) = 1/(x - 5)?

Accepted Answer

All real numbers except x = 5

Answer

All real numbers

Answer

x > 5

Answer

x ≥ 5

Question 5

Expand and simplify: (x + 4)²

Accepted Answer

x² + 8x + 16

Answer

x² + 16

Answer

x² + 4x + 16

Answer

x² + 8x + 8

Question 6

If 2^x = 32, what is x?

Accepted Answer

5

Answer

4

Answer

6

Answer

16

Question 7

Which equation represents a line parallel to y = 3x - 2?

Accepted Answer

y = 3x + 7

Answer

y = -3x + 7

Answer

y = (1/3)x + 7

Answer

y = -x + 7