3x - 15 = -21
-2
factor x2 +10x + 16
(x + 8)(x + 2)
What is the mean of the following numbers
2, 5, 8, 12, 15, 18
10
What is the initial value in the following exponential equation?
y=2(3)x
2
factor x2- 49
(x + 7)(x - 7)
What is the median of the following numbers
21, 28, 19, 14, 34, 29, 27
Write the exponential equation that has an initial value of 5 and each number is 3/4 the previous number
y=5(3/4)x
4x + 3( x-2) = 5x - 20
x = -7
Find the area of a rectangle if the length is 2 more than 5 times the width.
5x2+ 5 x
If you have a correlation coefficient of 0.72 how would you describe it?
Strong positive
What is the percent of decrease in the following equation
y=1000(0.64)x
36%
factor 2x2 -11x -21
(2x + 3) ( x -7)
What is the linear regression equation for the following data
x -3 -2 -1 0 1 2
y 8 6 5 3 2 0
y=-1.543x+3.229
Caleb is starting a college fund using $5000, which earns 4% annually. After 4 years how much money is in the account?
$5849.29
Factor: 3n² - 15n + 18
3(n - 3)(n - 2)
56, 29, 49, 23, 28, 31, 93, 42
Yes 93 is an outlier
What is the common ratio for the following data
x y
0 64
1 48
2 36
3 27
3/4