Algebra 2 Solve Quadratic by Square Roots
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Standards-aligned
Anthony Clark
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the value of c that makes x2 – 5x + c a perfect square trinomial.
–12.25
–6.25
6.25
10
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following quadratic equations has exactly one real solution?
2x2 – 6x + 16 = 0
2x2 – 2x – 24 = 0
3x2 + 15x – 9 = 0
2x2 + 12x + 18 = 0
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve (w - 13)2 = 16 using square roots
w = -9 or w = 9
w = 9 or w = 13
w = 9 or w = 17
w = -13 or w =13
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve x2 + 4x + 4 = 25 by taking the square root of each side
x = -√23 or x = √23
x = -27 or x = 23
x = -7 or x = 3
x = 3 or x = 5
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write the equation x2 - 3x = -14 in standard form. Then identify the values of a, b, and c that you would use to solve the equation using the quadratic formula.
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
State the value of the discriminant for the equation n(6n+14) = -7. Then determine the number of real solutions.
168, 2 real roots
21, 1 real root
–154, 0 real roots
28, 2 real roots
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which graph of the quadratic function y= -2x2 -16x -28 could be used to solve the equation -2x2 -16x -28 = 0
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