Exponents/Pythagorean Theorem
What is the Pythagorean Theorem
A2 + B2 = C2
What is the median value for the data set
1,3,3,4,6,7
4
put the following expression in simplified form
(5x2 + 2) + (2x2 - 4)
7x2 - 2
What is a function?
A problem where every input has exactly one output.
15x2 - 8x - 12
Simplify (4x3y2)(7x4y3)
28x7y5
If your first three tests scores were 92, 84, and 95. What do you need to get on the next test to have an average of 88%
81
Which of the following is a binomial?
a.) 2x2y2
b.) 5x - 9
c.) x4 + x2 -18x +3
d.) x2 + 2x - 4
B
Using the function f(x) = x2 - 2x + 3 evaluate f(-3)
6
The maximum and the minimum
What is the simplified form of 4x0y3z0n0
4y3
162
Suppose a rectangle has side lengths x + 2 and x - 3. Write an algebraic expression to represent the area of the rectangle.
x2 - x - 6
a.) 3x2 + 5x - 8
b.) 8x - 13
c) 3x + 24
d.) 2x + 36
B
What is the factored form of x2 + 5x - 104
x=-13
x=8
13.04
Suppose there are 5 red marbles and 10 blue marbles in a bag. If you draw one out, look at it, put it back, and draw another, What is the probability that you will draw a blue marble then a red marble?
50/225 or 22%
Which of the side lengths below could be classified as a Pythagorean triple?
a.) 3, 5, 7
b.) 6, 9, 12
c.) 6, 8, 10
d.) 9, 10, 11
C
What does a quadratic function look like?
Parabolas
What are the solutions to x2 - 4x - 12 = 0
x=-2
x=6
Simplify 9x5/3x3
3x2
What is the mode, median, and mean of the following data set.
1,2,4,8,5,2,5,8,6,4,7,3,4,6,2,6,4
Mode: 4
Median: 4.5
Mean: 4.8125
What are the solutions of the quation (4x + 8) (3x - 4) = 0?
x = -2
x = 4/3
If you buy a car worth $15,000 and the value of the car depreciates 4% each year, then how much will the car be worth in 4 years? (Use A = P(1 +or - r)t)
$12,740.20
What is the solution to x2 + 17 = 42
+ or - 5