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kozerog [31]
3 years ago
14

the measure of angle X WB is x + 3 degrees and the measure of angle B Wy is 3x - 91 degrees solve f or X

Mathematics
1 answer:
Damm [24]3 years ago
3 0
Go on google
and put
operations calculater

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What us the value of the discriminant of the quadratic equation -2^2=-8x+8 and what does its value mean about the number of a re
svlad2 [7]

ANSWER

The discriminant is zero.

The given equation has one real root.

EXPLANATION

The given quadratic equation is:

- 2 {x}^{2}  =  - 8x + 8

We rewrite this in the form;

a {x}^{2}  + bx + c = 0

- 2 {x}^{2}  + 8x  - 8 = 0

This means that,

a=-2, b= 8, c=-8

The discriminant is given by;

D=b² - 4ac

That is:

D =  {8}^{2}  - 4( - 2)( - 8)

D =  64  - 64 = 0

Therefore the discriminant is zero.

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In order words, the given quadratic equation has a repeated real root.

3 0
3 years ago
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