What is the first step to solving THIS equation by completing the square?
a2 + 10a + 21 = 0
Solving Quadratic Equations by Completing the Square Lesson
Quiz
•
Mathematics
•
9th Grade
•
Hard
Barbara White
Used 6+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the first step to solving THIS equation by completing the square?
a2 + 10a + 21 = 0
Divide 10 by 2 and add the result to both sides
Subtract the 21
Set the equation equal to zero
Add a2 and 10a together
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What do you do to the b value to correctly complete the square?
divide it by 2 and square the result
square it
divide it by 2 only
divide it by 2 and take the square root of the result
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is one of the solutions to this equation?
(2x - 1)2 = 49
7
-7
-3
-4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write the following quadratic expression in completed square form...
x2 + 6x = 5
(x + 3)2 = 5
(x + 6)2 = 9
(x + 6)2 = 14
(x + 3)2 = 14
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write the following quadratic expression in completed square form...
x2 + 4x + 10
(x + 2)2 + 6
(x + 4)2 + 6
(x + 4)2 - 6
(x + 2)2 - 6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following quadratics equation by completing the square...
x2 + 6x - 3 = 0
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by completing the square.
x2 + 4x= 12
x = 1 and -1
x = 6 and -2
x = 2 and -2
x = -6 and 2
10 questions
Solving Quadratics by Completing the Square
Quiz
•
9th - 12th Grade
11 questions
Completing the Square
Quiz
•
9th Grade
15 questions
Complete The Square
Quiz
•
8th - 9th Grade
15 questions
Solve Quadratics
Quiz
•
7th Grade - University
8 questions
Completing the Square Practice
Quiz
•
9th - 10th Grade
10 questions
Math 9-Quadratic-1st quarter
Quiz
•
9th Grade
10 questions
Completing the square
Quiz
•
8th - 9th Grade
15 questions
Solving Quadratic Equations by Completing the Square
Quiz
•
9th - 11th Grade
15 questions
Character Analysis
Quiz
•
4th Grade
17 questions
Chapter 12 - Doing the Right Thing
Quiz
•
9th - 12th Grade
10 questions
American Flag
Quiz
•
1st - 2nd Grade
20 questions
Reading Comprehension
Quiz
•
5th Grade
30 questions
Linear Inequalities
Quiz
•
9th - 12th Grade
20 questions
Types of Credit
Quiz
•
9th - 12th Grade
18 questions
Full S.T.E.A.M. Ahead Summer Academy Pre-Test 24-25
Quiz
•
5th Grade
14 questions
Misplaced and Dangling Modifiers
Quiz
•
6th - 8th Grade
30 questions
Linear Inequalities
Quiz
•
9th - 12th Grade
20 questions
Inequalities Graphing
Quiz
•
9th - 12th Grade
10 questions
Identifying equations
Quiz
•
KG - University
20 questions
Solving Linear Equations for y
Quiz
•
9th - 12th Grade
11 questions
Graph Match
Quiz
•
9th - 12th Grade
16 questions
Function or Non-Function?
Quiz
•
8th - 10th Grade
15 questions
Exponent Properties
Quiz
•
7th - 9th Grade
36 questions
WMS Pre-algebra Final Review
Quiz
•
8th - 9th Grade