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Kazeer [188]
3 years ago
9

Please help me with this question

Mathematics
1 answer:
Mice21 [21]3 years ago
3 0

Answer:

The equation ax^2 + bx + c = 0 can't have one imaginary solution.

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What is the average rate of change of the function f(x)=2x2+8 over the interval [2, 6]? A 2 B 4 C 12 D 16
Vinil7 [7]

Answer:

D. 16

Step-by-step explanation:

Average rate of change: \frac{f(a) - f(b)}{a-b}

Simply plug in 6 for <em>a</em> and 2 for <em>b</em>

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6 0
3 years ago
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Find the y-intercept for the parabola defined by this equation y=5x2-x-6
bija089 [108]
Y intercept is -6

Y= 5x^2-X-6
Y= 5(0)^2-0-6
Y= 0-0-6
7 0
3 years ago
Which sentences in the passage are true concerning a function?
Allisa [31]

Answer:

A function is a predefined formula that performs calculations using specific values in a particular order. All spreadsheet programs include common functions that can be used for quickly finding the sum, average, count, maximum value, and minimum value for a range of cells.

Step-by-step explanation:

3 0
3 years ago
Factor out 1/4 out of 1/4x+11/4
cluponka [151]

\frac{1}{4} x+\frac{11}{4}

we can rewrite it as

\frac{1}{4}* x+\frac{1}{4}*11

we can see that 1/4 is in multiple in both terms

so, we can factor it out

so, we get

\frac{1}{4}( x+11)..............Answer

5 0
3 years ago
What is the completely factored form of d4 − 81?
lilavasa [31]

For this case we must factor the following expression:

d ^ 4-81

Rewriting the expression:

(d ^ 2) ^ 2-9 ^ 2

We factor using the formula of the square difference:

a ^ 2-b ^ 2 = (a + b) (a-b)

Where:

a = d ^ 2\\b = 9

So:

(d ^ 2 + 9) (d ^ 2-9)

From the second term we have:

d ^ 2-3 ^ 2 = (d-3) (d + 3)

Finally, the factored expression is:

(d ^ 2 + 9) (d-3) (d + 3)

Answer:

(d ^ 2 + 9) (d-3) (d + 3)

4 0
3 years ago
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