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Laabri

Using Equations to Find Graphs

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Last updated about 4 years ago
13 Nsɛmmisa

Watch this video if you need support: https://instruction.gwinnett.k12.ga.us/d2l/le/content/2541956/viewContent/42005688/View

Use these equations for Function i to answer the next three questions:

Standard Form:

i(x) = x2 – 5x

Intercept Form:

i(x) = x(x - 5)

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Use these equations for Function j to answer the next three questions:

Standard Form:

j(x) = -x2 + 5x

Intercept Form:

j(x) = -x(x – 5)

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Use these equations for Function k to answer the next three questions:

Standard Form:

k(x) = x2 + 4x + 4

Intercept Form:

k(x) = (x + 2)(x + 2)

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Based on what you have learned, graph the following functions on the coordinate plane.

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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

What is the y-intercept for Function i? (Write as an ordered pair)

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2.

What is the left x-intercept?

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3.

What is the right x-intercept?

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4.

What is the vertex?

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5.

What is the y-intercept for Function j? (Write as an ordered pair)

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6.

What is the left x-intercept?

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7.

What is the right x-intercept?

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8.

What is the vertex?

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9.

What is the y-intercept for Function j? (Write as an ordered pair)

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10.

What is the x-intercept?

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11.

What is the vertex?

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12.

Intercept Form: f(x) = (x - 1) (x + 1)

Standard Form: f(x) = x2 - 1

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13.

Intercept Form: f(x) = (x - 4.5) (x + 1.5)

Standard Form: f(x) = x2 - 3x - 6.75