Solve the equation by factoring:
x2-6x+8=0
G9 Mathematics KOI
Quiz
•
Mathematics
•
9th Grade
•
Medium
Erfu Liu
Used 1+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve the equation by factoring:
x2-6x+8=0
x = 2 or x = 4
x = -2 or x = -4
x = -2 or x = 4
x = 2 or x = -4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which answer choice correctly shows the quadratic equation above in factored form?
(x + 7)(x - 2) = 0
(x - 7)(x + 2) = 0
(x - 7)(x - 2) = 0
(x + 7)(x + 2) = 0
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve by factoring:
x2 + 2x - 20 = 4
x = -6, x = 4
x = 6, x = -4
x = 12, x = -2
x = 8, x = -3
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve by taking the square root:
7x2 + 1 = 8
± 1
± 7
± √7
± 8
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Solve by completing the square:
x2 + 10x = -9
1 and -12
-1 and -9
1 and -9
1 and -1
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