Quadratic Functions and Equations Practice Test - Algebra 1

In this video I go through a quadratic functions and equations practice test.

Here is a link to the practice test:

For this 20 questions test, I cover topics such as factoring quadratics, solving quadratics by factoring, factoring quadratics by grouping, factoring quadratics when a is not 1, quadratics formula, graphing quadratic equations, vertex form of quadratics equations, quadratic-linear systems of equations, quadratic equation word problems, graphing quadratic equatiion word problems.

0:00 - 0:14 - Intro
0:14 - 4:07 - Factoring quadratic trinomials when a = 1
4:07 - 5:33 - Factoring a difference of two perfect squares
5:33 - 7:27 - Two-step factoring (with GCF)
7:27 - 12:04 - AC Method and checking solutions with a calculator
12:04 - 15:03 - Solving quadratic equations by factoring
15:03 - 21:02 - Quadratic Formula and checking solutions with a calculator
21:02 - 23:30 - Solving quadratic equations with multiple steps of Algebra
23:30 - 26:10 - Solving quadratics by completing the square
26:10 - 29:17 - Vertex form of a quadratic equation
29:17 - 31:46 - Using the discriminant to classify roots as rational or irrational
31:46 - 37:17 - Graphing quadratics and finding the vertex, axis of symmetry, ...
37:17 - 39:31 - Relationship between the factors and roots of a quadratic function
39:31 - 46:30 - Solving quadratic-linear systems of equations and checking solutions with a calculator
46:30 - 52:57 - Quadratic word problem involving area and percents
52:57 - 1:00:14 - Graphing quadratics word problem (kicking a soccer ball)

[naeemmahdi]

You seem like a great teacher! Do you mind making a video/livestream for the NINTH grade shsat?

[kiaralesophidi]

Very informative video, trying to pass the ASVAB test . Do you think some of this problems are in the test as well ? Or similar
It looks difficult for me (

[lmarierussell]

thanks for the videos vin. im trying to check # 7 with my calc. but when i put y= 3x^2 -12 i get different values in my table....how do i fix this?