AA College Mathematics 3

Question 1

Which property states that a(b + c) = ab + ac?

Accepted Answer

Distributive property

Answer

The distributive property allows you to multiply a factor by each term inside parentheses.

Question 2

What is the y-intercept of the line y = -2x + 5?

Accepted Answer

5

Answer

In y = mx + b, the constant b is the y-intercept; here b = 5.

Question 3

How many degrees are in the interior angles of a triangle?

Accepted Answer

180°

Answer

The sum of the interior angles of any triangle always equals 180°.

Question 4

What is the result of (-3) × (-4)?

Accepted Answer

12

Answer

Multiplying two negative numbers produces a positive result: (-3) × (-4) = 12.

Question 5

Which of the following correctly expresses scientific notation for 0.0045?

Accepted Answer

4.5 × 10⁻³

Answer

Moving the decimal point 3 places to the right gives 4.5, with a negative exponent of -3.

AA - Associate of Arts Practice Test