3 years ago

How does factoring help solve quadratic equations?

1 answer:

n200080 [17]3 years ago

5 0

Answer:

o solve an quadratic equation using factoring : 1 . Transform the equation using standard form in which one side is zero. ... Set each factor to zero (Remember: a product of factors is zero if and only if one or more of the factors is zero).

Step-by-step explanation:

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How many complex and real roots are in the problem (x+10)^9.

Katena32 [7]

Answer:

9 roots

Step-by-step explanation:

(x+10)^9 = 0

If you would multiply it out, the highest power is x^9 so the equation has 9 roots

Solving (x+10)^9 =0

Taking the 9th root of each sdie

x+10 = 0

x = -10

The root is -10 with multiplicity of 9

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Natasha_Volkova [10]

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Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

108 = -2(-5 - 7b) What does b equal?

mario62 [17]

Answer:

b = 7

Step-by-step explanation:

108 = -2(-5 - 7b)

Distribute -2 to the terms inside the parenthesis:

108 = 10 + 14b

Subtract 10 from both sides of the equation to isolate 14b:

108 - 10 = 10 + 14b - 10

98 = 14b

Divide 14 on both sides of the equation to solve for b:

$\frac{98}{14} = \frac{14b}{14}$

7 = b

6 0

3 years ago

On a city map, the scale is If a street is 12.5 cm long on the map, what is the actual length of the street?

Naddika [18.5K]

Answer:

see the book

Step-by-step explanation:

if not getting then answer is 13 cm

3 0

3 years ago