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Quadratic Equations and Solving Quadratic Equations Part 2

Quiz by Angkol

Philippines Curriculum: Grades K-10 (MELC)

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Measures 1 skill from
Grade 9
Mathematics
Philippines Curriculum: Grades K-10 (MELC)

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Q 1/10
Score 0
Which of the following is a perfect square trinomial?
29
$x^2-2x\ -\ 1$
$x^2+\ 3x\ +\ 4\$
$x^2+\ 2x\ +\ 1$
$x^2\ -\ 3x\ +\ 4$

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10 questions

Show answers

Q1
Which of the following is a perfect square trinomial?
$x^2-2x\ -\ 1$
$x^2+\ 3x\ +\ 4\$
$x^2+\ 2x\ +\ 1$
$x^2\ -\ 3x\ +\ 4$
30s
M9AL-Ia-b-1
Q2
How many real roots does the quadratic equation x² + 5x + 7 = 0 have?
Infinite
0
1
2
30s
Q3
How many real roots does the quadratic equation x² = 16?
2
1
0
Infinite
30s
Q4
What will be added to the equation x² + 24x + _____ to make it a perfect square trinomial?
12
144
576
24
30s
Q5
Which of the following equations can be solved easily by extracting square roots?
$2w^2+\ 7w\ -\ 3\ =\ 0$
$x^2\ +\ 7x\ +\ 12\ =0$
$3v^2\ +\ 2v\ -\ 8^2\ =\ 0$
$16t^2-\ 9\ =\ 0$
30s
Q6
Which of the following equations can be solved easily by factoring?
$r^2-10r\ =\ -17$
$t^2\ +\ 4t\ =\ -1$
$w^2+\ 6w\ -\ 11\ =\ 0$
$h^2+\ 16h\ =\ 16$
30s
Q7
In solving the equation x² + 14x = 32 by completing the square, what will be added to both sides of the equation to make the left side of the equation a perfect square trinomial?
14
49
2401
7
30s
Q8
What are the zeros of 3x² – 7x – 6 = 0?
$-3,\ -\frac{2}{3}$
$3,\ \frac{2}{3}$
$3,\ -\frac{2}{3}$
$-3,\ \frac{2}{3}$
30s
Q9
Which of the following are the roots of the equation x² – 3x – 54? Choose the simplified solution.
$\left\{9,\ -6\right\}$
$\left\{-9,\ 6\right\}$
$\left\{9,\ 6\right\}$
$\left\{-9,\ -6\right\}$
30s
Q10
What are the values of x in the equation -6x² + 36x = 0?
$x\ =\ 0\ \ and\ \ x\ =-36$
$x=0\ and\ \ x=6$
$x\ =\ -6\ and\ \ x\ =\ 0$
$x\ =\ 6\ and\ x\ =\ -6$
30s

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