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Quadratic Equations and Solving Quadratic Equations

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 quadratic equation?
29
$x^3-\ 2x\ +\ 1\ =\ 0$
$x\ =\ 3$
$2-x^2=0$
$x\ -\ 2\ =\ 0$

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10 questions

Show answers

Q1
Which of the following is a quadratic equation?
$x^3-\ 2x\ +\ 1\ =\ 0$
$x\ =\ 3$
$2-x^2=0$
$x\ -\ 2\ =\ 0$
30s
M9AL-Ia-1
Q2
What is the standard form of the equation 4x = 3x² – 2?
$3x^2+4x\ -2\ =\ 0$
$3x^2-4x\ -2=0$
$3x^2\ +\ 4x\ +\ 2\ =\ 0$
$3x^2-4x\ +\ 2\ =\ 0$
30s
Q3
30s
Q4
Which of the following is NOT a method of solving quadratic equations?
Factoring
Quadratic Surd
Quadratic Formula
Completing the square
30s
Q5
In any quadratic equations, how many possible roots are there?
Infinite
0
2
1
30s
Q6
How many possible real roots are therein the equation x² = k, where k < 0?
1
2
0
Infinite
30s
Q7
Which of the following is the quadratic formula?
$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$
$x=\frac{-b\pm\sqrt{b^2}-2ac}{2a}$
$x=\frac{b\pm\sqrt{b^2-4ac}}{2a}$
$x=\frac{-b\pm\sqrt{b^2-4ac}}{2}$
30s
Q8
What property states that “If the product of two numbers is zero, then either of the two is equal to zero or both numbers are equal to zero.”?
Zero product property
Inverse Property
Identity Property
Reflexive Property
30s
Q9
is the most appropriate method to use in solving the equation x² = k, where k>0?
Completing the square
Quadratic Surd
Factoring
Extracting the Square root
30s
Q10
In completing the square, what happens to the equation when both sides are added by square of one-half of the coefficient of x?
It becomes perfect square trinomial
It becomes, sum and difference of two squares
It becomes perfect square
It becomes perfect square binomial
30s

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