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Intermediate Algebra Videos 25 videos

ACT Math 1.5 Intermediate Algebra
386 Views

ACT Math Intermediate Algebra Drill 1, Problem 5. Can you simplify the expression?

ACT Math 2.1 Intermediate Algebra
359 Views

ACT Math Intermediate Algebra Drill 2, Problem 1. Solve the equation.

ACT Math 3.1 Intermediate Algebra
1955 Views

ACT Math: Intermediate Algebra: Drill 3, Problem 1. Find the fifth number in the series.

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ACT Math 4.1 Intermediate Algebra 231 Views


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Description:

ACT Math Intermediate Algebra Drill 4, Problem 1. Which equation contains the point (1, 10)?

Language:
English Language

Transcript

00:03

We just might have a problem... that you'll understand...we all need shmoop...

00:11

Which equation contains the point (1, 10)?

00:13

And here are the potential answers...

00:18

OK so to find the equation that contains the point (1, 10)...

00:21

...we basically just have to plug in x as "1" into all of the answer choices to

00:26

see which one is on the line of the actual equation.

00:36

Here we go... hold on to your... plugs...

00:50

2 times 1 squared plus 3 times 1 plus 2...

00:54

equals 2 plus 3 plus 2, or 7. And a 7, sadly... is not a 10.

01:04

1 squared plus 4 times 1 plus 3... equals 1 plus 4 plus 3, which equals 8... so we're

01:11

still lookin' for the princess who fits the shoe.

01:17

3 times 1 squared plus 4 times 1 plus 4... equals 3 plus 4 plus 4... or 11.

01:25

10 isn't even greater than 11, so that doesn't work.

01:30

On to D... 2 times 1 squared plus 5 times 1 plus 3... equals 2 plus 5 plus 3... or 10.

01:38

Bingo! D should be our answer! Just to check E... 2 times 1 squared plus 5

01:43

times 1 plus 6... equals 2 plus 5 plus 6...or 13. Nope.

01:48

D it is.

01:50

Okay -- you can let go of your plugs now.

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