MIdterm Review Quiz

Which of the following is the correct interval notation for the solution of the inequality x > 3 ?

• (-∞, 3]

• [3, ∞)

• (3, ∞)

• [-3, ∞)

• x ≤ 6

• x ≥ 6

• x ≤ 1

• x ≥ 1

Which of the following equations represents an absolute value equation?

• 2x + 5 = 10

• |x - 3| = 7

• 3x - 1 = 5x + 7

What is the solution to |x - 4| = 6?

• x = -2

• x = 10

• x = -2 or x = 10

• x = 4

How do you solve |2x - 5| = 9?

• Set 2x - 5 = 9 and 2x - 5 = -9, then solve for x

• Solve 2x - 5 = 9 only

• Solve 2x - 5 = -9 only

• Convert it into a quadratic equation

Solve for y in terms of x: 3x + 4y = 12.

What is the first step to solving for x in ax + b = c?

• Multiply by a

• Subtract b from both sides

• Add b to both sides

• Divide by c

What is the solution for P = 2L + 2W in terms of W?

• W = P - 2L

• W = P + 2L

How do you determine the solution for f(x) = g(x) graphically?

• Find the point where f(x) and g(x) touch the x-axis

• Find the x-values where the graphs of f(x) and g(x) intersect

• Find the y-values where the graphs intersect

• Find the midpoint of the graphs

If two graphs intersect at x = 4, what is the solution to f(x) = g(x)?

• 4

• The y-coordinate of the intersection

• The slope of the two graphs

• The area between the two curves