Exponents
Write in exponential form & Positive exponent.
Simplify: 413 x 4-5 =
48
Write 187,000,000 in scientific notation
1.87 x 108
What is the slope of the following equation?
y = -0.25x + 10
-0.25
Solve for x
2x + 3x = 40
x = 8
Is the following equation a function or Not a Function?
y = 3x2 - 2.75
Function
Write in exponential form & a Positive exponent:
Simplify: -24 x -2-9 x -27 =
-22
Write 0.000008507 in scientific notation
8.507 x 10-6
Johnny wanted to rent a car. He needs to pay a one time fee of $100 for insurance and $29.99 per day for the car. Let y equal the total cost and x is the number of days Johnny rents the car. What is the rate of change for Johnny's car rental?
$29.99
Solve for x
5(2x + 5) = -25
x = -5
Which ordered pair can you remove in order to make the following points a function.
(1, 4), (6, 20), (3, 12), (-2, -4), (10, 36), (-2, 22), (-3, -8), (4, 6)
(-2, -4) or (-2, 22)
Write the answer in exponential form & it must be positive exponent:
Simplify: y7 / y11 =
1/y4 or 1 over y to the 4th power
Simplify the expression, write in scientific notation:
(5.6 x 103)+(2.4 x 103) - (3.5 x 103) =
4.5 x 103
Johnny was traveling from city to city. He started in New York and wants to go to Washington DC. The distance from both cities is about 220 miles. It took him 4 hours to get there. What is Johnny's average speed over the trip
55 miles per hour
Solve for x:
2(x + 5) = 3(x - 2)
x = 16
Which of the three functions below is linear? Select all that apply
1) y = 0.5x + 7.5
2) y = 4x2 + 5
3) y = 3x + 22
Number 1 & 3 are linear
Write the answer in exponential form and it must be a positive exponent:
(z4 x z-6)5 =
1 / z10 or 1 over z to the 10th power
What is the value of the expression below:
(6.2 x 1017 + 1.2 x 1015) / (4 x 10-6)
1.553 x 1023
Determine the slope of the line that passes through the following points:
(0, 3) & (4, 19)
m = 4
Identify the number of solutions for the following equation:
8(j - 4) = 2(4j - 16)
Infinite Solution
The cost to rent a boat at the park includes an initial fee of $8.00, plus $3.25 per hour. Write an equation to represent the total cost, y, after x number of hours.
y = 3.25x + 8
Write in exponential form and it must be a positive exponent.
Simplify: (76 x 7-3) / (710 x 7-7) =
1 or 70
Light travels at approximately 2.998 x 105 kilometer per second. There are 6.048 x 105 seconds in one week. About how many kilometers does light travel in one week? Write in scientific notation
About 1.813 x 1011 kilometers
Determine the slope of a line that passes through the following two points:
(-4, -4) & (-1, 14)
m = 6
Identify the number of solutions in the following equation:
3(0.5x - 4) = 1.5x - 1.2
No Solution
A crane is lifting a concrete block from a height of 50 feet above the ground at a constant rate of 3.2 feet per second. Write a function to determine h, the height of the concrete block after s seconds?
h = 3.2s + 50 or h = 50 + 3.2s