Which of the given equation is linear?
Options: 2x2+4x-10=0, 4x+8=5, x(x-4)=6, x2+5x-14=0
Math 9-Quadratic-1st quarter

Flashcard
•
Mathematics
•
9th Grade
•
Hard
Michael Villadore
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10 questions
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1.
FLASHCARD QUESTION
Front
Back
4x+8=5
2.
FLASHCARD QUESTION
Front
Which of the following is a quadratic equation?
Options: 25 - r2 = 4r, 2x2 - 4x + 8, 2(4x - 3) = 0, 2y - 4x =10
Back
25 - r2 = 4r
3.
FLASHCARD QUESTION
Front
Which quadratic equation can be solved easily by extracting the square roots? Options: x2 + 7x +12 = 0, 2w2 + 7w - 3 = 0, 3v2 + 2v - 8 = 0, 4t2 - 9 = 0
Back
4t2 - 9 = 0
4.
FLASHCARD QUESTION
Front
Which quadratic equation is equal to x (x + 3) - 5 = 0? Options: x2 + 3x + 5 = 0, x2 + 3x - 5 = 0, x2 - 3x - 5 = 0, x2 - 3x + 5 = 0
Back
x2 + 3x - 5 = 0
5.
FLASHCARD QUESTION
Front
Nature of the roots of a quadratic equation if the discriminant is zero?
Back
The roots are rational and equal
6.
FLASHCARD QUESTION
Front
Nature of the roots of a quadratic equation if the discriminant is less than zero or negative?
Back
The roots are not real
7.
FLASHCARD QUESTION
Front
In the equation 2x2 - 5x + 1 = 0, what is the value of a, b and c?
Back
a = 2 , b = -5 , c = 1
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