Math 42

Question 1:

In the figure, points A, E and D are on the same line. What is the measure of angle CED?

Question 2:

If x > 0 and 2x² – 3x – 9 = 0, then x = ?

Question 3:

For all x > 0, 1/x + 3/4 = ?

Question 4:

In the figure below, lines k and m are parallel, and lines m and n are parallel. What is the measure of angle x?

Question 5:

The expression (180° – x°) is the degree measure of an obtuse angle if and only if:

Question 6:

Two numbers have a greatest common factor of 6 and a least common multiple of 36. Which of the following could be the pair of numbers?

Question 7:

In the quadratic equation shown, s and t are constants. What is the solution for x?

x² + (s/3)x = t

Question 8:

The polynomials g(x) and h(x) are shown. Which of the following polynomials is divisible by 3x + 4?

g(x) = x² – x – 6

h(x) = 3x³ – 3x² – 18x