Q1-MATH9

Quiz by DON UZIEL ANGELES

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50 questions
• Q1

What is the formula in getting the discriminant?

$b^2-4ac$

$ax^2+bx+c=0$

$c/a$

$-b/a$

30s
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• Q2

Aside from 1 and 6, what are the other factors of 6?

5 and 1

2 and 3

4 and 2

3 and 3

30s
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• Q3

When the discriminant is zero, what is the nature of roots?

real and equal

rational but not equal

no real roots

irrational and not equal

30s
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• Q4

We use zero product property in _________ to get the solution.

completing the square

extracting square roots

factoring

30s
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• Q5
30s
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• Q6
30s
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• Q7
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• Q8
30s
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• Q9
30s
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• Q10

It divides the graph of quadratic function into two parts such that one-half of the graph is a reflection of the other half.

axis of symmetry

vertex

domain

range

30s
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• Q11
30s
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• Q12

Which of the following is a quadratic equation?

$2x^2-7x\ge3$

$2r^2+4r-1=0$

$3t-7=12$

$s^3+5s-14=0$

30s
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• Q13
30s
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• Q14

Which of the following represents a quadratic function?

$y=2^x+2$

$y=3x^3+y-2x$

$y=2x-10$

$y=x^2+2$

30s
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• Q15

What is the square root of 169?

+23, -23

+12, -12

+13, -13

14, -14

30s
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• Q16
30s
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• Q17
30s
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• Q18

Which is an example of inequality that involves two variables?

$y>x^2+z$

$y=ax^2+bx+c$

$y=x^2+2x+3$

30s
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• Q19
30s
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• Q20
30s
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