ShmoopTube

Where Monty Python meets your 10th grade teacher.

Search Thousands of Shmoop Videos


Numbers and Operations Videos 63 videos

SAT Math 1.1 Numbers and Operations
280 Views

SAT Math 1.1 Numbers and Operations. How many combinations of beverage and cereal can be made?

SAT Math 1.2 Numbers and Operations
219 Views

SAT Math: Numbers and Operations Drill 1, Problem 2. If the masterpiece will be worth $45,055 in five years, what is its worth now?

SAT Math 1.3 Numbers and Operations
190 Views

SAT Math 1.3 Numbers and Operations. x and y must be which of the following?

See All

SAT Math: Factoring a Quadratic Equation and Recognizing Undefined Values 1 Views


Share It!


Description:

In the equation above, at what x-value(s) is y undefined?


Transcript

00:00

Yeah Whoa Okay Mash bumpers last in this series of

00:06

weird equation ville in the equation above at what X

00:09

values is Why undefined Okay so clearly they're looking at

00:16

this thing X squared minus X minus twelve How does

00:19

that equal Zero And if it does Well then why

00:22

has got to be in the find Right Well when

00:24

faced with a quadratic equation instincts tell us to fact

00:27

door when faced with two quadratic ce a factor even

00:30

more when they're stacked on top of each other like

00:33

some kind of quadratic jenga factor Like your life depended

00:36

on it Let's just do that So we've got top

00:39

thing Expert Police State actually fifteen That's X plus three

00:42

and explode Five there in the bottom thing And we've

00:44

got to be for a foreign three So Yeah X

00:46

plus three and the next minus four So why is

00:49

undefined whenever the denominator is equal to zero So that

00:53

means when X is negative Three And when X is

00:56

for the denominator is here and the problem is undefined

01:00

So that's it Goodbye plan

Related Videos

Multiplying Polynomials to Find an Unknown Constant
3 Views

In the equation above, if a, b, and c are all constants, what is c?

Recognizing Polynomial Factors
4 Views

When x = 12, a certain polynomial, y, equals 0. Which of the following must be true about the polynomial y?

SAT Math 1.1 Algebra and Functions
315 Views

SAT Math 1.1 Algebra and Functions. Find an algebraic equation to correspond with the data.

SAT Math 1.1 Geometry and Measurement
719 Views

SAT Math 1.1 Geometry and Measurement. What is the circumference of the circle?

SAT Math 1.1 Numbers and Operations
280 Views

SAT Math 1.1 Numbers and Operations. How many combinations of beverage and cereal can be made?