S2_2024227
Authored by Anthony Chu
Mathematics
9th Grade
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15 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Use the quadratic formula to solve 4x2 - 5x + 1 = 0.
x = -1/4 and x = -1
x = 1/4 and x = 1
x = 3/5 and x = -5/7
x = 1 and x = 4
2.
OPEN ENDED QUESTION
15 mins • 1 pt
Solve the following equation using the quadratic formula: 5x2 + 4x + 2 = 3.
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3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Use the quadratic formula to solve 16x2 + 8x - 15 = 0.
x = 4 and x = 5
x = -4/3 and x = 5/4
x = 3/4 and x = -5/4
x = 3 and x = 4
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Michelle is thinking of two consecutive positive numbers. The product of the two numbers is 56. Which of the following is the smaller / lesser number?
-8
6
8
7
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Osa wrote the equation q2 + 10q + 25 = 0. Use the quadratic formula to solve.
x = 5
x = -5
x = 3/4 and x = -5/4
x = 3 and x = 4
6.
OPEN ENDED QUESTION
15 mins • 1 pt
Fabian has a rectangular poster with a length 8 more inches than three times its width. The area of the poster is 315 square inches. What are the dimensions of the poster?
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7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Solve the equation –3b2 – b – 1 = –6b2 for all real solutions.
x = (1±√13)/6
x = (-1±√13)/6
x = (-1±√11)/2
x = -13
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