QUESTION: 57

If 3x-y=2 and 2y-3x-8, which of the following is equal to x/y?

Option A
Option B
Option C
Option D
Option E

Answer(s): B

Explanation:

Solve . Substitute3x-2for y in the second

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QUESTION: 58

Which of the following sets of numbers contains all and only the roots of the equation f(x) ?

{8, 1}
{8, 1}
{0, 8, 1}
{0, 8, 1}
{0, 1, 8, 1, 8}

Answer(s): C

Explanation:

The roots of an equation are the values for which the equation evaluates to zero. Factor

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QUESTION: 59

What is the equation of the line that passes through the points (2, 3) and (2, 5)?

Option A
Option B
Option C
Option D
Option E

Answer(s): B

Explanation:

First, find the slope of the line. The slope of a line is equal to the change in y values divided by the change in x values of two points on the line. The y value increases by2(5 - 3)and the x value decreases by4(-2 -2).Therefore, the slope of the line is equal to-2/4or-1/2The equation of the line is Y= -1/2x + b where b is they- intercept. Use either of the two given points to solve for b:

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QUESTION: 60

An empty crate weighs 8.16 kg and an orange weighs 220 g. If Jon can lift 11, 000 g, how many oranges can he pack in the crate before lifting it onto his truck?

12
13
37
46
50

Answer(s): A

Explanation:

The empty crate weighs 8.16 kg, or 8, 160 g. If Jon can lift 11, 000 g and one orange weighs 220 g, then the number of oranges that he can pack into the crate is equal to . Jon cannot pack a fraction of an orange.

He can pack12whole oranges into the crate.

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QUESTION: 57

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Explanation:

QUESTION: 59

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QUESTION: 60

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