Pre-Calculus Review Frenzy

Question 1

What is the factorization of x2 + 7x - 18 ?

Accepted Answer

(x + 9)(x - 2)

Question 2

Make an equation: perpendicular to y = 4/3x - 9 through the point (-5, 2).

Accepted Answer

y = -3/4x - 7/4

Question 3

Which is equivalent to -7 + 4i - (-8 + 3i)?

Accepted Answer

1 + i

Question 4

Find 3π/2 in degree measure.

Accepted Answer

270

Question 5

What is the title of the next Star Wars movie?

Accepted Answer

The Last Jedi, A New Hope

Question 6

What is the period of the function y = -3cos(3x - π/4)

Accepted Answer

2π/3

Question 7

What is the range (y-values) for f(x) = -(x - 3)2 + 4?

Accepted Answer

( -∞, 4) (Negative Infinity to 4)

Question 8

Consider f(x) = 3(x - 2)2 + 4. What is the vertex of this parabola?

Accepted Answer

(2, 4)

Question 9

Find the point of intersection for the two functions.

Accepted Answer

(2, -1)

Question 10

Make an equation: slope-intercept form that's parallel to y = -5x + 27 through point (7, -4).

Accepted Answer

y = -5x + 31

Question 11

sin(7π/4) =

Accepted Answer

-√2/2

Question 12

Use the Quadratic Formula to find the roots: 3x2 + 10x - 25 = 0

Accepted Answer

x = 5/3, x = -5

Question 13

Which type of function is displayed from the data below?

Accepted Answer

Exponential

Question 14

Find f(g(x)) if f(x) = 4x - 1 and g(x) = 3x2 + 1

Accepted Answer

12x2 + 3

Question 15

Which is the best snack?

Accepted Answer

Pizza, Hot Cheetos & Takis, Reese's Cheesecake, Fruity Pebbles Cereal

Question 16

For this polynomial - How many double roots does it have, and at which x-values?

Accepted Answer

Two, at x = -10 and 10

Question 17

What is the radius of the unit circle?

Accepted Answer

1

Question 18

What are the x-intercepts of: f(x) = 2x2 - 7x + 3 ?

Accepted Answer

x = 1/2, 3

Question 19

Factor the expression: (16x2 - 25)

Accepted Answer

(4x + 5)(4x - 5)

Question 20

How tall is a tree that is 54 feet away and has an angle of elevation of 37?

Accepted Answer

54tan(37)

Question 21

Where did Mr. Poole go to college?

Accepted Answer

Mid-America Nazarene University

Questions 21