# Basic and Complex Quiz in Math 9

## Quiz by Criselda M. Caragay

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- Q1
videoq:wJAQORezGv0:68.40//What is the standard form of 3x(x+4) = -6?

^{ }3x

^{2}- 12x + 6 = 03x

^{2}+ 12x + 6 = 03x

^{2}- 12x - 6 = 03x

^{2}+ 12x - 6 = 030s - Q2
A mathematical sentence of degree 2 that can be written in the following standard form. 𝑎𝑥

^{2}+ 𝑏𝑥 + 𝑐 = 0, where 𝑎, 𝑏, and 𝑐 are real numbers and 𝑎 ≠ 0.freetext://Quadratic Equation

30s - Q3
Match the following quadratic equations equations to the correct values of a, b, c.

linking://Quadratic Equation|#cba10d4c-d258-48fc-a7d8-c908417b57b7/question/7002f4c53247d6a84da8089ad48dffb5e13be01d.JPG:Standard Form|#cba10d4c-d258-48fc-a7d8-c908417b57b7/question/16f86c410aecaa4ab9b6a4bd18874fd42697d316.JPG:Values of a, b and c|#cba10d4c-d258-48fc-a7d8-c908417b57b7/question/86b7be701db49ad34c65ecd190b2f84785d02d77.JPG

30sM9AL-Ia-1 - Q4
Identify if the following are quadratic equations or not.

sorting://Quadratic Equation|#cba10d4c-d258-48fc-a7d8-c908417b57b7/question/b5e73310db34a840527b495f8f028f1f746982c3.JPG,#cba10d4c-d258-48fc-a7d8-c908417b57b7/question/f468b2f1ad8f0ffb024368683e6041480786827a.JPG,#cba10d4c-d258-48fc-a7d8-c908417b57b7/question/eff7a76bb3a6b323488949b97374898c4833a003.JPG:Quadratic Inequality|#cba10d4c-d258-48fc-a7d8-c908417b57b7/question/c34d62e59d01a0dfe4ad9faf15e865ab460137ee.JPG,#cba10d4c-d258-48fc-a7d8-c908417b57b7/question/17f70ec4459c902d775e7a9d322c4c2e099daea3.JPG,#cba10d4c-d258-48fc-a7d8-c908417b57b7/question/285e6fedc1b85799d26348802c46fb65d65e562f.JPG

30sM9AL-If-1 - Q5
What is the value of a, b, and c for the quadratic equation (𝑥 − 6)(𝑥 + 5) = 0?

ordering://a|1:b|-1:c|-30

30sM9AL-Ia-1 - Q6
Match the correct term.

linking://quadratic term|ax

^{2}:linear term|bx:constant term|c30sM9AL-Ia-1 - Q7
When 𝑏 = 0 in the equation 𝑎𝑥

^{2}+ 𝑏𝑥 + 𝑐 = 0, it results to a quadratic equation of the form ______.freetext://𝑎𝑥

^{2}+ 𝑐 = 0.30sM9AL-Ia-1 - Q8
What are the different methods in solving quadratic equations?

freetextm://factoring: extracting the square roots: completing the square: quadratic formula

30sM9AL-Ia-b-1 - Q9
Determine which of the following are quadratic equations.

sorting://Quadratic Equation

**|**12 − 𝑡^{2}= 13, (𝑥 − 1)2 = 0,4𝑦(𝑦 + 3) = −2, (𝑥 − 5)(𝑥 + 2) = 12:Not Quadratic Equation**|$\backslash frac\{1\}\{3\}$**(n + 2) = 0, 5𝑥 + 2 = 1130sM9AL-Ia-1 - Q10
A quadratic equation is incomplete if either the coefficient b or c is equal to zero.

boolean://true

30sM9AL-Ia-1 - Q11
Arrange the jumbled words to form a correct sentence.

jumble://Quadratic,equation,is,an,equation,of,the,form,a𝑥

^{2}+bx+c=0.30sM9AL-Ia-1 - Q12
A mathematical sentence of degree 2 that can be written in the following standard form. 𝑎𝑥

^{2}+ 𝑏𝑥 + 𝑐 = 0, where 𝑎, 𝑏, and 𝑐 are real numbers and 𝑎 ≠ 0scrambled://QUADRATICEQUATION

30sM9AL-Ia-1 - Q13
Which of the following illustrates quadratic equation?

𝑥 (𝑥 + 2)

𝑥

^{2}+ 1 = (𝑥 + 3)^{2}12 - 4x = 0

25 − x

^{2}= 4x30sM9AL-Ia-1 - Q14
The following are the values of a, b, and c that Edgardo, Alfredo, Juancho, and Rodolfo got when they expressed 2 − 3𝑥 = 5𝑥

^{2}in standard form.Edgardo : 𝑎 = −5, 𝑏 = 3, 𝑐 = −2

Alfredo : 𝑎 = 5, 𝑏 = 3, 𝑐 = −2

Juancho : 𝑎 = 5, 𝑏 = −3, 𝑐 = −2

Rodolfo : 𝑎 = −5, 𝑏 = −3, 𝑐 = 2

multiplem://Alfredo:Rodolfo

30sM9AL-Ia-1 - Q15
If the length is 3x + 2 and the width is x + 4. What is the area of the rectangle?

3x

^{2}- 6x - 93x

^{2}+ 6x + 93x

^{2}- 6x + 93x

^{2}+ 6x - 930sM9AL-Ia-1