Quadratic Functions

Quiz by Mary Ann Moreno

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### Measures 4 skills fromGrade 9MathematicsPhilippines Curriculum: Grades 1-10

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- Q1
Define

a line that divides the parabola into two parts

the x-intercepts of the graph

the zeros of quadratic function

the maximum or minimum point of the parabola

30sM9AL-Ig-h-i-1 - Q2
videoq:YO4OOB1DPWw: 64 : 78 // Which is true from this video?

if k is increased by n, the graph will shift n units to the left

if k is increased by n, the graph will shift n units upward

if k is increased by n, the graph will shit n units to the right

if k is increased by n, the graph will shift n units downward

30sM9AL-Ii-2 - Q3
The x-intercepts of the quadratic function are the _____ of the function.

freetextm://zeros |100:quadratic roots|50:solution set|50:roots|25

30sM9AL-Ig-h-i-1 - Q4
Categorize the following graph into Quadratic Function and Non-Quadratic Function

sorting://Quadratic Functions|#43964a83-f2fb-4b2f-9ddc-9ad1f17e7cd3/question/0741f8268c10650830ba345d95e37fc2f76d81ce.png, #43964a83-f2fb-4b2f-9ddc-9ad1f17e7cd3/question/21f7e4d275122aa7574a514d3e5210a3de3786e5.png, #43964a83-f2fb-4b2f-9ddc-9ad1f17e7cd3/question/c7ba7857ea70e59cfdd32e6698ea05d5bcc841b5.png :Not Quadratic Functions|#43964a83-f2fb-4b2f-9ddc-9ad1f17e7cd3/question/5b9f4dc8b8cc1e357d9c246cd490083c76767bd4.png, #43964a83-f2fb-4b2f-9ddc-9ad1f17e7cd3/question/c2c5908c253dc2c2d99602e7c00664c4615df9d4.png, #43964a83-f2fb-4b2f-9ddc-9ad1f17e7cd3/question/44070b5e8a1e3f06739afddd5d5d4efa825dc866.png

30sM9AL-Ig-3 - Q5
Match the graph of quadratic function to its vertex.

linking://(2, 1)|#43964a83-f2fb-4b2f-9ddc-9ad1f17e7cd3/question/0673e6626e87bf14e9ec48f275b5039005834cca.png :(0, 0)|#43964a83-f2fb-4b2f-9ddc-9ad1f17e7cd3/question/93023fd700795020e15f21c3cf1a2e61d5bdb7f9.png:(3, 1)|#43964a83-f2fb-4b2f-9ddc-9ad1f17e7cd3/question/4c7137bd2197ec5b5fecfb67a882e6826afefce9.png:(-1, 4)|#43964a83-f2fb-4b2f-9ddc-9ad1f17e7cd3/question/3634480563d8ae0ab572fddee4631dab31ab9448.png

30sM9AL-Ig-h-i-1 - Q6
What is vertex of the parabola y = (x-3)

^{2}+4freetext://(3,4)

30sM9AL-Ig-h-i-1 - Q7
Categorize the following equations into Quadratic Functions or Not Quadratic Functions

sorting://Quadratic Functions|y = x

^{2}- 3x +5, y = $\backslash frac\{3\}\{4\}$x^{2}, y = -(x-5)^{2}:Not Quadratic Functions|y = $\backslash sqrt\{^\{2x^2-5x\}\}$, y= x^{-2}, y^{2}= 3x-730sM9AL-Ig-3 - Q8
Match the given word to its definition.

linking://axis of symmetry|a line which divides the parabola into two parts:vertex|the minumum or maximum point of the graph:zero of the function|the x - intercepts of the function

30sM9AL-Ig-h-i-1 - Q9
Arrange in order the steps in transfroming quadratic functions to vertex form.

ordering://1|Group the terms with variables:2|Factor 𝑎 in 𝑎𝑥

^{2}+𝑏𝑥:3|Apply the Completing the square method:4| Express as square of binomial.30sM9AL-Ih-1 - Q10
What is the y-intercept of the quadratic function f(x) = 2x

^{2}- 3x +5 ?-3

3

2

5

30sM9AL-Ig-h-i-1