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Finding the Equation and Completing the Square

Last updated over 5 years ago

5 Nsɛmmisa

1

1

1

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3.

Completing the square makes it easier to find the zeros of an equation?

True

False

1

1

Asemmisa {{asɛmmisaAhyɛnsode}}

1.

Find the equations of the red line in standard form.

x+5y=20

y=(-1/5)x+4

x+3y=15

y= 4x+1/5

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2.

Complete the square of the following equation: 2x2+20x+8=0.

(x-5)²+45=0

x(2+20)+8=0

(x+5)²-42=0

(x-4)²+42=0

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4.

Find the zeros of the following equation: (x+5)²=0.

x=6,x=7

x=-5

x=5

x=0,x=-5

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5.

What is the first step in finding the zeros (roots) of a equation?

Separating out your x variables.

Factoring out common numbers.

Setting the equation equal to zero.