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Math III Videos 103 videos

Unit Rate
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Approximately 874 people per day wonder what a unit rate is. If you're one of them, check out our video on unit rates and how to use them. (We just...

Solving Proportions Using Cross Products
6802 Views

This video covers how to use cross products to solve for a missing number in a proportion by setting that proportion with a variable over the produ...

GED Math 2.4 Rational Numbers
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GED Math 2.4 Rational Numbers. Lucius's favorite restaurant is how many km from his home?

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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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