Hmmmmmmmmmmmmmmmmmmmmmm?

Mathematics

1 answer:

max2010maxim [7]2 years ago

6 0

Answer:

A, B, & D

Step-by-step explanation:

A: Linear functions are often written in point-slope form, y=mx+b.

B: The rate of change in linear functions is always a constant slope, the m value.

C: The initial value of a linear function could be zero. It depends on the line.

D: It makes sense that the graph of a linear function is a line.

E: A vertical line is not a function. You can do the vertical line test: if a vertical line were to hit more than one point at a single x-value, the line is not a function.

I hope this helps!

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One of the factors of the polynomial x3 − 5x2 is x + 3. What is the other factor?

olya-2409 [2.1K]

The answer is letter c. x2-8x+24-[72/(x+3)]. If you do not know how to solve this using the long division method, you can always evaluate the options through the process of elimination first. Since the degree of the other factor is already 1 (x to the power of 1), you know that option d. is not the correct answer because you know that the other factor must be raised to the power of 2. That leaves us with a, b and c. Working backwards and multiplying the given factor (x+3) with the factor in b, gives us x3-5x2+72. So from there, you know that you have to eliminate 72, which can be removed when it is subtracted by itself. Letter c does just that. Try multiplying (x+3) and option c for yourself :).

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3 years ago

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Randy ordered 3 T-shirts for $25.67 each and one skirt for $23.55 and an 8% tax. What is the total cost of the order?

DerKrebs [107]

KP - break this one down to three parts: Total cost of shirts, total cost of shirts and the skirt, and then including tax.

3 T-shirts for $25.67 each would be 3 * 25.67 = 77.01
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Tax can be found quite a few different ways, the easiest of which would be multiplication.

8% = .08

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Now just add tax and total cost of the clothes. Because of rounding, our answer might be slightly different but that's okay because it's multiple choice and only 1 answer makes sense!

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Question 11 of 25

malfutka [58]

Answer:

Step-by-step explanation:

simple : when we have a point defined as (1, 4), it means x = 1, y = 4.

and since the point is on the graph of a function/equation it means that when we use x = 1 and calculate the equation, we get 4 as result (= y). so yes, that means that both sides of the "=" sign are indeed equal for this pair of values, which makes the equation true.

but there will be usually many other pairs that do that too.

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What is the distance between the center of the circle with equation $x^2+y^2=6x-8y+24$ and the point $(-3,-12)$?

kvasek [131]

Answer:

The answer to your question is: 10 units

Step-by-step explanation:

P (-3, -12)

1.- Find the center of the circle

x² + y² = 6x - 8y + 24

x² - 6x + ( )² + y² + 8y + ( )² = 24