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Alik [6]
2 years ago
11

What are the x-intercepts of this function? g(x) = -0.25x2 − 0.25x + 5

Mathematics
1 answer:
musickatia [10]2 years ago
6 0

Answer:

(-5,0) and (4,0)

x= -5 and x= 4

Step-by-step explanation:

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iren2701 [21]
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Replace f(x) and f(x+h) by using the equation given for the problem.

=\dfrac{(2(x+h)^2-(x+h)-1)-(2x^2-x-1)}{h}

Open all parenthesis

= \dfrac{2x^2+4xh+2h^2-x-h-1-2x^2+x+1}{h}

Factor the h

= \dfrac{h(4x+2h-1)+2x^2-2x^2+1-1+x-x}{h}

Other terms not in the parenthesis cancel each other out

\dfrac{h(4x+2h-1)}{h}

Now, simplify

=4x+2h-1
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3 years ago
Simplify ( root 3 + root 7) over 2​
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Answer:

5 r o 2 t

Step-by-step explanation:

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We know ,[(a+b)²=a²+2ab+b²]

=>(√3+√7)²=(√3)²+2(√3)(√7)+(√7)²

=>(√3+√7)²=3+2√21+7

=>(√3+√7)²=10+2√21

3 0
3 years ago
The sum of a rational number and irrational number is irrational.
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Answer:

A) Always True

6 0
4 years ago
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antiseptic1488 [7]

Answer:

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Step-by-step explanation:

The applicable rules of exponents are ...

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Using these rules, we can simplify the given expression to ...

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6 0
3 years ago
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photoshop1234 [79]

Answer:

You spent 18.25, and got 1.75 in change

Step-by-step explanation:

3.25 + 11 + 4 = 18.25

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6 0
3 years ago
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