
Investment Interest and Equations

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard
Standards-aligned

Mia Campbell
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total amount Phyllis invested?
$4,000
$8,000
$6,000
$10,000
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the interest rate for the portion of the investment that earns less?
5%
6%
3%
4%
Tags
CCSS.8.EE.C.8C
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If X represents the amount invested at 6%, what expression represents the amount invested at 4%?
8,000 + X
8,000 - X
X - 8,000
X + 4,000
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is 6% expressed as a decimal?
6.0
0.006
0.06
0.6
Tags
CCSS.8.EE.C.7B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total interest earned from both investments after one year?
$400
$430
$450
$500
Tags
CCSS.8.EE.C.7B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equation used to model the total interest earned?
0.06X + 0.04(8,000 - X) = 430
0.06X + 0.04X = 430
0.06(8,000 - X) + 0.04X = 430
0.06X + 0.04(8,000 + X) = 430
Tags
CCSS.8.EE.C.7B
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified equation after eliminating decimals?
6X + 4(8,000 + X) = 43,000
6X + 4(8,000 - X) = 43,000
6X + 4X = 43,000
6(8,000 - X) + 4X = 43,000
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