Final Grade of the 6 Weeks (Worth 2 Grades)

Final Grade of the 6 Weeks (Worth 2 Grades)

Assessment

Flashcard

Mathematics

8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

Solve: 7x = 3x + 24

Back

6

2.

FLASHCARD QUESTION

Front

When Lisa was born, her parents put $8,000 into a college fund account that earned 9% simple interest. What is the interest earned after 18 years?

Back

$12,960

3.

FLASHCARD QUESTION

Front

Peppy Pets charges a flat fee of $15 plus $3 per hour to keep a dog during the day. Happy Hounds charges a flat fee of $21 plus $1 per hour. For how many hours is the total fee charged by the companies the same?

Back

3

4.

FLASHCARD QUESTION

Front

Jenny writes the equation y = 1/2x + 5. Why is she incorrect?

Back

The slope is -2, the equation should be y = -2x + 5

5.

FLASHCARD QUESTION

Front

A rental car agency charges $30.00 per day plus per mile $0.15. Another rental car agency charges $36.00 per day plus $0.10 per mile. How many miles would have to be driven in one day for both rental agencies to cost the same amount to rent?

Back

120

6.

FLASHCARD QUESTION

Front

Define simple interest.

Back

Simple interest is calculated using the formula: I = PRT, where I is the interest, P is the principal amount, R is the rate of interest per year, and T is the time in years.

7.

FLASHCARD QUESTION

Front

What is the formula for finding the slope of a line?

Back

The slope (m) is calculated as m = (y2 - y1) / (x2 - x1), where (x1, y1) and (x2, y2) are two points on the line.

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