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Maurinko [17]
3 years ago
15

If a is a constant such that 9x^2 + 24x + a is the square of a binomial, then what is a?

Mathematics
1 answer:
siniylev [52]3 years ago
4 0

Answer: 16

Step-by-step explanation:

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Answeriadk

Step-by-step explanation:

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mariarad [96]

Answer:

A, B, and C

Step-by-step explanation:

A) We can see if this is a horizontal line if its slope is 0. Slope is change in y divided by change in x, so: slope = \frac{7-7}{3-(-2)} =\frac{0}{5} =0 . Thus, this is a horizontal line and the statement is correct.

B) Any equation of the form x = k, where k is a constant, will always be a straight line. Let's see if it goes through (-8, 3) by plugging in the values of -8 in for x and 3 in for y in the equation.

Clearly, we don't have a y, so we just put in the -8 for the x: -8 = -8. Since this is a true statement, we know that x = -8 does go through (-8, 3). So, this is a true statement.

C) We can see if this is a vertical line if its slope is undefined (for example, if the denominator is 0, it's undefined). Slope = \frac{5-(-7)}{0-0} =\frac{12}{0} = undefined. So, this is a vertical line and the statement is true.

D) As a basic fact, any point on a horizontal line will have the same y coordinate. However, their x coordinates may vary. Thus, the statement is false.

So, the answers are A, B, and C.

Hope this helps!

4 0
3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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neonofarm [45]

Answer:

x=4

Step-by-step explanation:

2x-3=5

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3 0
3 years ago
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Any help would be great
nadya68 [22]

Answer:

15

Step-by-step explanation:

38=10+13+c

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8 0
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