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Kelso Math A1 #8 IM - Algebra 1 - Lesson 5.1
By Brenda Cowan
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Last updated about 5 years ago
16 questions
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Note from the author:
Illustrative Math
1
8.EE.1
8.EE.3
…
+4
1
8.EE.1
8.EE.3
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+4
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Question 1
1.
Which expression equals
2
7
?
2+2+2+2+2+2+2
2*2*2*2*2*2*2
2*7
2+7
Question 2
2.
Evaluate the expression 3*5^{x} when
x
is 2.
3
4
5
6
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1
Question 3
3.
Initial Balance is the starting amount of money.
1
Question 4
4.
I will have to check your explanation. Please use the dots graphed in your explanation
1
1
Question 7
7.
Jada rewrites 5*3^{x} as 15x. Do you agree with Jada that these are equivalent expressions? Choose all that apply.
Yes. Jada just simplified.
No. The exponent only goes with the 3, so you can't simplify it.
Yes. An exponent is the same as multiplying by that number so it's a legal step
No. If x was 2 then the she would get two different answers, 45 and 30.
11
8
9
10
12
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1
Question 8
8.
Years until account 1 doubles:
1
Question 9
9.
years until account 2 doubles:
1
1
1
13
14
15
16
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1
1
1
1
Question 5
5.
Please make your new dots in a different color than the original dots.
visibility
View drawing
Question 6
6.
I should see something in your answer about the difference in the actual graphs as well as the growth of the balances.
I will have to check this myself to turn it green!
Question 10
10.
Years until account 1 doubles again:
Question 11
11.
Years until account 2 doubles again:
Question 12
12.
Make it short, but mention both accounts in your explanation.
Question 13
13.
REVIEW: The input variable in the situation is:
gallons of gas
final cost of gas
3.50 per gallon
bags of chips
Question 14
14.
Review: The output variable in the function is:
dip for the chips
gallons of gas
final cost of gas
Question 15
15.
Put in order to make the correct sentence.
Final cost
gallons of
gas
a
is
of
function
Question 16
16.
Identify all that are possible input-output pairs.
(3, 15)
(2,7)
(6,21)
(8, 27)
(10,35)