2 years ago

What do roots look like in a graph

1 answer:

amm18122 years ago

7 0

The roots on the graph is basically the x-intercepts So if you see points that are on the x-axis then those are the roots.

Ex
x=0, x=-2 x=3 etc. <span />

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Simplify x^2 over x^2 - 2x

Scilla [17]

Answer:

2x^2-2x

Step by Step Explanation:

The 2 x^2 come together to form 2x^2 and since there is no other number that has x but no ^2 -2x stays the same.

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2 years ago

Billy has $3.00. Bubble gum costs $.30. He bought four pieces.

xenn [34]

Answer:

$0.30 x 4= $1.20

$3.00 divided by $1.20= $1.80

Step-by-step explanation:

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3 years ago

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1 year ago

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What is the set of all solutions to the equation \sqrt{x + 2}= {-x} x+2 =−xsquare root of, x, plus, 2, end square root, equals

NARA [144]

Answer:

$x = 2$ or $x = -1$

Step-by-step explanation:

Given

$\sqrt{x + 2}= {-x}$

Required

Find the possible values fo x

$\sqrt{x + 2}= {-x}$

Square both sides

$( \sqrt{x + 2})^2= ({-x})^2$

$x + 2 = x^2$

Equate to 0

$x^2 - x - 2 = 0$

Expand

$x^2 + x -2x - 2 = 0$

Factorize:

$x(x + 1) - 2(x + 1) = 0$

$(x -2)(x +1) = 0$

Split:

$x - 2 = 0$ or $x + 1 = 0$

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2 years ago

Walter has 1/4 of a yard of string. He used 3/5 of it on a school project. How much string did he use?

zalisa [80]

Answer:

3/20 or .15

Step-by-step explanation:

You need to find 3/5 of 1/4, so you need to multiply

3/5*1/4= 3/20

3/20 or .15

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3 years ago