11/20- Cool Down (M1)

QuizÂ by ABBI MICKLER

High School - Math 1
Mathematics
North Carolina Standard Course of Study

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### Measures 2 skills fromHigh School - Math 1MathematicsNorth Carolina Standard Course of Study

NC.M1.F-IF.8b
NC.M1.G-GPE.5

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4 questions
• Q1
The function f(x) = 1.69(1.03)x models the value of an investment, in thousands, after x years. What is the yearly interest rate the investment is earning?
69%
96%
31%
3%
300s
NC.M1.F-IF.8b
• Q2
300s
NC.M1.F-IF.8b
• Q3
The function f(x) = 250(1.12)x models the number of students at a school x years after it opened. By what rate is the number of students increasing each year?
12%
0.88%
88%
0.12%
300s
NC.M1.F-IF.8b
• Q4
Line l is shown on the coordinate grid below. What is the slope of any line perpendicular to line l?
-8/3
-3/8
8/3
3/8
300s
NC.M1.G-GPE.5

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