# Q1_Summative Test [Math 9, SY 2021-2022]

## Quiz by Lilibeth Pulido

Mathematics

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40 questions
• Q1

Which of the following equations is NOT an example of a quadratic equation?

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

$x^2-2x+1=0$

$3v^2-2v=20$

$5x+2=11$

30s
• Q2
30s
• Q3
30s
• Q4
30s
• Q5
30s
• Q6
30s
• Q7

Which of the following holds true for completing the square?

I.    One side of the equation is a perfect square trinomial.

II.  It can be solve by transforming the equation into .

III.  The constant term   is the square of one-half the coefficient of a.

IV. Applying the distributive property of multiplication over addition to determine the solution set.

I

III

IV

II

30s
• Q8
30s
• Q9
30s
• Q10
30s
• Q11

The product of the roots of quadratic equation is equal to the negation of the coefficient of the second term, divided by the leading coefficient.

Often True

Sometimes True

Never True

Always True

30s
• Q12
30s
• Q13
30s
• Q14
30s
• Q15
30s

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