Solve for x
Multiple Choice
Graphs
Miscellaneous
Random Trivia
100
(x - 9)2 - 36 = 0
3 and 15
100
What is the midpoint of the line segment connecting (-8,-1) and (4,-5)?
a. (-2,-3)
b. (-6,2)
c. (6,-2)
d. (2,3)
a. (-2,-3)
100
Where is the function decreasing?
(1, 8)
100
What is the distance between points (-2,6) and (3,2)?
√41
100
What is Iowa's State Bird?
American or Eastern Goldfinch
200
x = √(11x − 28)
4 and 7
200
What is the domain of the function? f(x) = x / (x2+9)
a. (-∞, ∞)
b. (-∞, -3) U (-3,3) U (3,∞)
c. (-3,3)
d. [-3,3]
a. (-∞, ∞)
200
Is the following relation a function?
PHOTO A
No
200
Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels 10 miles per hour slower than the westbound train. If the two trains are 950 miles apart after 5 hours, what is the rate of the eastbound and the westbound train?
Eastbound train speed: 90 mph
Westbound train speed: 100 mph
200
What U.S. state is home to Acadia National Park?
Maine
300
(8x−1)/6 = [(x + 3)/2] + 5
8
300
Find the line that is perpendicular to y=-4x + 5 and passes through S= (2,-1).
a. y+1=7-(x - 2)
b. y+1=7(x - 2)
c. y -1=7(x+2)
d. y+1=4(x- 2)
b. y+1=7(x - 2)
300
On What interval is the function to the right increasing?
PHOTO B
(-1, 0)
300
Write the equation of the circle in standard form and find the center and radius:
2𝑥2 + 32𝑥 + 2𝑦2 − 12 = 8
Radius: √74
Center: (-8, 0)
300
Who is considered the "Father of Relativity"?
Albert Einstein
400
|2x - 1| = 7 + x
-2 and 8
400
Write the equation of the circle in standard form and find the center and radius:
3𝑥2 +12𝑥 + 3𝑦2 − 6𝑦 = −12
a. Radius: 4 and Center: (-2, 1)
b. Radius: 2 and Center: (-4, 2)
c. Radius: 1 and Center: (-2, 1)
d. Radius: 1 and Center: (-4, 2)
c. Radius: 1 and Center: (-2, 1)
400
F(x) is a piecewise function as defined here. (PHOTO C). Graph and find f(-1).
f(-1) = 3
400
Solve for y: |(6y+20)/2| < 7
Answer should be written in interval notation.
(-34/6, -1)
400
How many noses does a slug have?
4
500
[ x / (x2-36) ] + [2 / (x - 6)] = 1/(x+6)
-9
500
Is a circle a function?
a. Yes
b. No
and why?
b. No
It doesn't pass the vertical line test
500
Fill in the blanks (a and b) with the correct domain defining the piece-wise function.
PHOTO D
[1, 7)
[-7, 1)
500
Write the equation of the line that passes through P = (2,4) and Q = (0,7).
y - 7 = (-3/2)x
500
What Iowa State Alum is now an NFL quarterback for the San Fransisco 49ers?
Brock Purdy