Emily S.

Tutor at Massachusetts College of Liberal Arts

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Pre-Algebra

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Question:

14 × (–3) + 5

Emily S.

Answer:

14* (-3) = -42 -42 + 5 = -37 because PEMDAS

Basic Math

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Question:

Robert buys a brand new car by paying a certain amount in cash. The rest of the amount is paid by loan. He pays $197 as equated monthly installment (EMI) for 3 years. Find the total amount paid in EMI after 3 years.

Emily S.

Answer:

$197 * (3 years *12 months per year) = $7,092

Algebra

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Question:

Let f(x) = -2x2 + 4x + 6. a) Find the vertex of the graph of f. b) Find the range of f. c) Find the x - intercepts of the graph of f. c) Find the y - intercept of the graph of f.

Emily S.

Answer:

a) (1 , 8) b) (-infinity , 8] c) (-1 , 0) , (3 , 0) d) (0 , 6)

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