Graphing Quadratics: Vertex/Standard form Flashcards

1
Q

axis of symmetry

A

x= b/2a

also how you find the vertex

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2
Q

when graphing if the number before x is negative, what does the graph look like

A

opens down, has a max.

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3
Q

what does it mean it you get an imaginary number when square rooting

A

the coordinates don’t touch the x-axis

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4
Q

how do you find the x-int. in standard form

A

used quad. formula -b+/-square root (b)24-ac/2a

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5
Q

how do you find the x-int. in vertex form

A

move C to the other side and take the square root of both sides

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6
Q

factored form

A

y=(x-2)(x+4)

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7
Q

whats the standard form

A

y= x2​+3x+2

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8
Q

Vertex form

A

y=a(x-h)2​+C

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9
Q

how do you find the y-intercept in standard form

A

(0,C) olug in 0 for x in the inital equation

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10
Q

how do you find the x-int in factored form

A

use zero product property

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11
Q

when graphing, if the number before x is positive, what does the graph look like

A

opens up and has a minimum

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