Exponents & Scientific No
Solving Equations
Am I a function?
Types of Solutions
Distributing and Combining Like Terms
Slope
100
What is a solution to x3 = 64?
a. -4
b. 4
c. 8
d. 21.333...
b. 4
100
Solve for c.
c - 11 = 22
c = 33
100
In a function, how many outputs can one input have?
Each input has one and only one output.
100
Classify as one, no, or infinite solutions.
x - 8 = -8
x = 0
One solution
100
6m – 5m + 1
m + 1
100
What type of slope is this graph? (positive, negative, undefined, zero)
negative
200
Ramsey measured the mass of two fleas. The first flea had a mass of 2.4 x 10-4 grams, and the second flea had a mass of 3 x 10-4 grams. What is the SUM of the two fleas? (Write your answer in scientific notation)
5.4 x 10-4
200
Solve for x.
3x - 2 = 7
x = 3
200
Does the following table represent a function?
x y
1 2
2 5
6 2
2 9
5 1
No because the input 2 has two outputs, 5 and 9.
200
Classify as one, no, or infinite solutions.
4x = 0
x = 0
One Solution
200
-6x(4 - 5)
-24x + 30x =
6x
200
What is the slope of the points (1, 2) and (7, 4)?
1/3
300
What is the equivalent numerical value of 2-4 x 27? (Write the number using exponents)
23
300
2(x - 4) = 3x + 2
x = 6
300
Is this a function and why?
No because x=8 has two outputs (3 and -3)
300
Classify as one, no, or infinite solutions.
7x + 35 = 7(x + 5)
35 = 35
Infinite
300
9 - 3d(6 + 9)
9 - 18d - 27d =
9 - 45d
300
What is the rate of change (slope) of the table?
$65
400
What is equal to 1.44 x 106 ?
A. 9% of 1.6×106
B.12% of 1.2×107
B
400
2(1 - x) + 3x = 4
x = 2
400
Is this a function? Yes / No
Yes!
400
Classify as one, no, or infinite solutions.
8 + 3x - 3 = -9 + 3x + 1
5 = -8
No solution
400
- 4m + 2(m-3) + 6
-2m
400
What is the slope between the points (4, -3) and (-1, 3)?
-6/5 or -1.2
500
In a laboratory, biochemists measured the mass of bacterium K as 5.6 x 10-8 grams. They measured the mass of bacterium J as 2.8 x 10-7 grams.
Which of the following statements correctly relates the masses of the two bacteria?
A. The mass of Bacterium K is 20 times the mass of Bacterium J.
B. The mass of Bacterium J is 5 times the mass of Bacterium K.
B
500
4(x - 1) = 2(x + 3) - 5
x = 3
500
Is this line a function? Give an explanation WHY.
No (Reasoning answers may vary)
500
Classify as one, no, or infinite solutions.
6x + 24 = -2x + 4(2x + 5) + 4
24 = 24
Infinite
500
-4(-5f - 3) + 11 - 2f
18f + 23
500
What is the slope of the line? (You can say it as a decimal or simplified fraction)
-200/30
-20/3
-6.66...