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Quadratic Equations Videos 18 videos

GED Math 1.3 Expression and Equations
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CAHSEE Math 4.3 Algebra and Functions 302 Views


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Description:

Algebra and Functions: Drill 4, Problem 3. The sum of the quadratic parent function and the line given has which of the following as its graph?

Language:
English Language

Transcript

00:03

Here's an unshmoopy question you'll find on an exam somewhere in life...

00:11

The sum of the quadratic parent function (y = x2) and the line y = 1

00:17

has which of the following as its graph?

00:20

Here are the potential answers...

00:22

So hit pause and try this yourself first.

00:28

First, we have to figure out what our new equation is.

00:34

Since our new equation is the sum of x squared and 1, we have... x squared plus 1.

00:41

Remembering our translations and transformations of parabolas...

00:47

...we know that the "plus 1" just translates the entire parabola

00:51

of y = x2 up vertically 1 unit.

00:55

Sure looks like answer A to us.

00:57

Guess Christmas came early this year.

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