Vocabulary - sections 7.2 to 7.5
Sections 7.2 to 7.4 - leave as a positive power
Sections 7.2 to 7.4 - evaluate
Section 7.5 - properties of exponential functions
Mixed Review - sections 7.2 to 7.4
100
Define "asymptote".
What is a line that a curve approaches, but never reaches.
100
(3
4
/3
6
)
-1
What is 3
2
100
(-125)
1/3
What is -5
100
Given the following (x, y) points, is the function linear, quadratic or exponential? (-2, 0.3), (-1, 0.6), (0, 1.2), (1, 2.4) and (2, 4.8)
What is exponential
100
Which of the following equations is exponential? y = 2x + 5, y = (x-2)
2
+ 3 or y = 5
x
What is y = 5
x
200
Fill in the blank: A power with a negative exponent and an integer base is equivalent to the ____________ of that base to the opposite exponent.
What is reciprocal.
200
a
7
(a
6
)
-2
What is 1/a
5
200
12
-6
x 12
8
x 12
0
What is 144
200
What do you think would happen to an exponential function if it was negative? Eg/ y = 2
x
vs y = -2
x
What is the graph would flip about the x-axis.
200
Evaluate 5
-2
+ 10
-1
What is 7/50
300
Fill in the blank: To simplify using a "Power of a Power" exponent rule, you have to __________ the exponents.
What is multiply.
300
10/10
4
What is 1/10
3
300
1296
0.25
What is 6
300
What would be the domain (all possible x-values) of the exponential function y = 3
x
What is XER
300
Evaluate (64
1/3
)
4<sup
What is 256
400
Fill in the blanks: The y-intercept of the function y = 2
x
is (0, 1) but the y-intercept of y = 2
x
- 6 is?
What is (0, -5).
400
(10(10
3
)
-1
)
-2
What is 10
7
400
4(1/4)
-4
What is 1024
400
What would be the range (all possible y-values) of the exponential function y = 4
x
What is y>0
400
Find the value of the unknown variable: p
-3
= 1/27
What is 3
500
Fill in the blanks: The "parent function" for a linear function is _________ and for a quadratic functions is __________.
What is y = x and y = x
2
.
500
(6)
-1/3
x (6)
5/6
What is (6)
1/2
500
8
5/6
x 8
-1/6
What is 4
500
What would be the y-intercept of the exponential function y = -6
x
What is (0, -1)
500
Express 4
3
as a power with a base of 2
What is 2
6
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Exponents Review (Sections 7.2 to 7.5)
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