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aev [14]
3 years ago
10

What is the vertex of g(x) = 8x2 - 64x

Mathematics
1 answer:
Ainat [17]3 years ago
8 0
Hi, check my ans, tell me if anything is wrong. Ok?

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decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring. −b b2 − 4ac 2a u
Romashka [77]

Answer:

Step-by-step explanation:

A quadratic equation can be factorised if and only if there are rational roots.

For any quadratic equation the discriminant decides about the nature of roots.

Thus only if the discriminant is a perfect square we can have rational roots and in this case only factorization is possible.

In the given equation

2x^2+ 7x+ 3 = 0\\a=2, b=7, c=3\\b^2-4ac = 1

Since 1 is a perfect square we can factor and solve

2x^2 +7x +3 = 0\\(2x+1)(x+3)=0\\x=-1/2 or x = -3

4 0
2 years ago
Read 2 more answers
Mackenzie's company reimburses her $0.75 per mile that she drives for business. If she goes on a business trip and drives a tota
lesantik [10]

Answer:90

Step-by-step explanation:

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6 0
3 years ago
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elena55 [62]

Answer:

there is no quick way around this. U need to plug in -4,2,8 into x value into the function, and see what y returns to

Step-by-step explanation:

7 0
2 years ago
Help me plzz!!!!!!!!!!!!!!!!!!!!!!!!!!
NemiM [27]

9514 1404 393

Answer:

  162 degrees

Step-by-step explanation:

Angles P and F are supplementary, so ...

  3x^2 +12x = 180

  x^2 +4x = 60

  x^2 +4x -60 = 0

  (x +10)(x -6) = 0

The useful value of x that makes this true is x=6.

The measure of angle Q is 3x, so is 3·6 = 18 degrees. The measure of angle S is the supplement to that:

  ∠S = 180° -18° = 162°

5 0
3 years ago
If I have 5 plates and give 2 how many do I have
GuDViN [60]

Answer:

3

Step-by-step explanation:

if you have 5 plates and you subtract 2 then you have 3 plates left

5-2=3

4 0
3 years ago
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