QUESTION: 49

If graphed, which of the following pairs of equations would be parallel to each other?

Option A
Option B
Option C
Option D
Option E

Answer(s): E

Explanation:

Parallel lines have the same slope. The lines both

have a slope of , so they are parallel to each other.

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QUESTION: 50

if , then when a = 8, b could be equal to

-2
4
6
7
8

Answer(s): C

Explanation:

Substitute 8 for Rewrite as8/8and add it to4b/8then cross multiply:

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QUESTION: 51

The average of five consecutive odd integers is 21.What is the least of these integers?

Answer(s): E

Explanation:

If the average of five consecutive odd integers is 21, then the third integer must be 21. The two larger integers are 19 and 17 and the two lesser integers are 23 and 25. 25 is the least of the five integers.
Remember, the more a number is negative, the less is its value.

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QUESTION: 52

Line AC is a diagonal of square ABCD. What is the sine of angle ACB?

Option A
Option B
Option C
Option D
Option E

Answer(s): C

Explanation:

A square has four right (90-degree) angles. The diagonals of a square bisect its angles.
DiagonalACbisectsC, forming two 45-degree angles, angleACBand angleACD. The sine of 45 degrees is equal to2/2

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Free SAT Section 2: Mathematics Exam Braindumps (page: 13)

QUESTION: 49

Explanation:

QUESTION: 50

Explanation:

QUESTION: 51

Explanation:

QUESTION: 52

Explanation: