Find the Roots of Quadratics
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by factoring.
b2 + 2b - 24 = 0 (hint: find the zeros) FACTOR!
x = 6 or x = -4
x = -6 or x = -4
x = 6 or x = 4
x = -6 or x = 4
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What do the "Zeros" represent on a quadratic equation graph?
x-intercepts
y-intercepts
vertex
focus
Tags
CCSS.HSF-IF.C.7A
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3x2+12= 39 (solve using square roots)
x = √27
x = ±3√27
x = ±3
x = ±9
Tags
CCSS.8.EE.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using square roots.
7b2 - 4 = 59
b = 9, b = -9
b = 3, b = -3
b = 8, b = -8
no solution
Tags
CCSS.8.EE.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
solve using square roots
±81
±9
±3
No real solution
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
solve using square roots
±72
±12
12
No real solution
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the x-intercepts of
y= x2 - 9x + 14 ?
(-7,0) and (-2,0)
(7,0) and (-2,0)
(7,0) and (2,0)
(9,0) and (-14,0)
Tags
CCSS.HSA-SSE.B.3B
CCSS.HSF-IF.C.8A
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