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3 years ago

1 2.5.3 Quiz: Factoring and Graphing

Mathematics

1 answer:

Alex Ar [27]3 years ago

5 0

Answer:

The answers are options

Step-by-step explanation:

The zeros of f(x) are the values of f(x) when substituted into the function will make it equal to zero

for

f(x) = ( x - 3)(x+8)

Equate f(x) to zero

That's the zeros of f (x) are

(x - 3)(x+8) = 0

x - 3 = 0 x + 8 = 0

x = 3 x = - 8

Hope this helps you

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We need help finding the means of the sides of this figure.<br> (Photo attached)<br><br> Thank you

VikaD [51]

Answer:

3) 5

4) 8.2

5) 6.8

6)FG = 6.4

7) EF = 3.6

8)DF = 4.8

Step-by-step explanation:

From the attached triangle, using trigonometric ratio we can find ∠G as; tan^(-1) (6/8)

Thus, ∠G = 36.87°

Still using trigonometric ratios;

FG/8 = cos 36.87°

FG = 8 cos 36.87°

FG = 6.4

3) EF + FG = EG

Since EG is 10, mean of EF and FG = 10/2 = 5

4) mean of EG and FG = (10 + 6.4)/2 = 8.2

5) EF + FG = EG

Thus; EF = EG - FG

EF = 10 - 6.4

EF = 3.6

Mean of EG and EF = (10 + 3.6)/2 = 6.8

6) FG = 6.4

7) EF = 3.6

8) Using trigonometric ratio;

DF/8 = sin 36.87

DF = 8 × 0.6

DF = 4.8

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U would put it into a calculator

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