SRMHS Math 2 Unit 3 Test - Solving Quadratics (Fall 2021)
Showing your work!
For any problems that say "show your work," you may choose to do one of the following:
1) Use the "show your work" area to write, draw, or type the math. (There is a math keyboard there.)
2) Do your work on notebook paper (labeled neatly) and give it to me at the end of the test.
5 points
5
Question 1
1.
Solve the quadratic using any method.
x^{2}+15x+56=0
Show your work.
5 points
5
Question 2
2.
How many real solutions does this quadratic equation have? (You do NOT need to find the solutions.)
x^{2}+9x-8=0
1 point
1
Question 3
3.
All quadratic equations will have at least one imaginary solution.
5 points
5
Question 4
4.
Solve the following quadratic equation by factoring:
6x^{2}-42x+72=0
Type your two answers in the format: ___,___
(Separate your answers with a comma. Do not put any spaces. Do not type x=.)
5 points
5
Question 5
5.
What would be the first step to solving the following quadratic by the Quadratic Formula?
b^{2}-16b+64=19
5 points
5
Question 6
6.
What is the solution of the quadratic equation 2x^{2} - x = 14?
Show your work in the space provided.
5 points
5
Question 7
7.
Solve for c by factoring.
Type your two answers in the format: ___,___
(Separate your answers with a comma. Do not put any spaces. Do not type x=.)
5 points
5
Question 8
8.
Given the standard form, find the factored form.
5 points
5
Question 9
9.
Factor the polynomial:
5 points
5
Question 10
10.
Solve by completing the square. Show your work.
5 points
5
Question 11
11.
Solve the equation by completing the square. Simplify your answer. Use the keypad to the right of the answer blank to type the plus/minus and the square root symbols. Make sure your correct answer is on your work as well.
5 points
5
Question 12
12.
Write the expression below in simplest radical form:
5 points
5
Question 13
13.
Simplify the radical.
\sqrt{-27}
5 points
5
Question 14
14.
Factor the expression (x-81)^2
5 points
5
Question 15
15.
Solve the equation by using square roots. 3x^{2}=21
5 points
5
Question 16
16.
Factor out the GCF. 6x^{5}+8x^{3}
5 points
5
Question 17
17.
Factor completely. Write your final answer without spaces! Show your work!
5 points
5
Question 18
18.
Solve the equation by graphing on this graphing calculator. Type your solutions in the "show your work" area for full credit. (Just having the correct graph WITHOUT identifying the solutions will NOT be full credit.)
y=4x^{2}+3x-1
We have released a new and improved Graphing question type! Students will no longer be able to answer this question.
5 points
5
Question 19
19.
Choose the number that fills in the blank to complete the square.
x^{2}+12x+____
4 points
4
Question 20
20.
Identify the factors, and solution(s) of the quadratic equation.
Hint: You should only use four things (two for factors and two for solutions