ShmoopTube
Where Monty Python meets your 10th grade teacher.
Search Thousands of Shmoop Videos
Intermediate Algebra Videos 25 videos
ACT Math Intermediate Algebra Drill 1, Problem 1. What is the product of (a – 3)2?
ACT Math Intermediate Algebra Drill 1, Problem 2. Find the product of (2a + 6)2.
ACT Math Intermediate Algebra Drill 1, Problem 4. Solve for x based on the equation.
ACT Math 4.1 Intermediate Algebra 231 Views
Share It!
Description:
ACT Math Intermediate Algebra Drill 4, Problem 1. Which equation contains the point (1, 10)?
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
Full Transcript
- 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.
Related Videos
ACT Math: Intermediate Algebra: Drill 3, Problem 1. Find the fifth number in the series.
ACT Math: Plane Geometry Drill 3, Problem 1. What is the area of the trapezoid shape in the video?
ACT Math: Coordinate Geometry Drill 1, Problem 1. Which inequality is expressed by the number line?
Haven't you always wondered how much cardboard it takes to encase a trunk warmer for your pet elephant?
Want to figure out the area and perimeter of irregular shapes? Break them down into regular shapes. For example, a flower can be broken down into s...