Which of the following statements is TRUE about the graph of $$f\left(x\right)=x^2+2x-1$$ ?

A. The minimum point is at (1,−2).

B. The minimum point is at (−1,−2).

C. The maximum point is at (1,−2).

D. The maximum point is at (−1,−2).

What does the value of k in $$h\left(x\right)=3x^2+7$$ mean?

A. The graph shifted seven units upwards.

B. The graph shifted seven units to the left.

C. The graph shifted seven units to the right.

D. The graph shifted seven units downwards.

Which of the following directions will the graph of $$f\left(x\right)=x^2$$ shift to if its new equation is represented by $$f\left(x\right)=\left(x+2\right)^2-4$$ ?

A. two units to the left and four units downward

B. two units to the left and four units upwards

C. two units to the right and four units downwards

D. two units to the right and four units upwards

What is the equation of a parabola with zeros 5 and −3?

A. 𝑔(𝑥)=𝑎(𝑥2−2𝑥−15)

B. 𝑔(𝑥)=𝑎(𝑥2+2𝑥−15)

C. 𝑔(𝑥)=𝑎(2𝑥2−𝑥−15)

D. 𝑔(𝑥)=𝑎(2𝑥2+7𝑥−15)

Which of the following does not represent direct variation?

The distance travelled by a car at a constant rate varies as its time.

The area of a circle varies as the square of its radius.

The cost of meat varies as its weight.

The time to finish a work varies as the number of workers.

Consider 𝑘 as the constant of variation, which of the following statements is TRUE about the relation given by the equation $$G=\frac{khj}{\sqrt[]{f}}$$ ?

𝐺 varies jointly as ℎ and 𝑗 and inversely as the square root of 𝑓.

𝐺 varies inversely as ℎ and 𝑗 and jointly as the square of 𝑓.

𝐺 varies inversely as ℎ and 𝑗 and jointly as the square root of 𝑓.

𝐺 varies jointly as ℎ and 𝑗 and inversely as the square of 𝑓.

Mathematics 9 Second Grading Exam

9th Grade

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35 Qs

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Mathematics 9 Second Grading Exam

Quiz

•

Mathematics

•

9th Grade

•

Practice Problem

•

Hard

SHIRLEY DALANG

Used 20+ times

FREE Resource

35 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following real-life situations illustrates quadratic function?

A. a girl walking on a straight road

B. free throw of a basketball player

C. car accident in a street

D. falling in line in the school canteen

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the photo shows linear function, which of the following pictures represents a quadratic function?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following situations can be solved using quadratic functions?

A. the center of a circular pool

B. the distance between two towns

C. the maximum height reached by an object thrown up to the air

D. the needed materials to fence a garden

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following equations represents a quadratic function?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following equations does not illustrate a quadratic function?

𝑦=𝑥 (𝑥+4)−3

𝑦=𝑥 (4𝑥+5)

𝑦=(𝑥−2)(𝑥+5)

𝑦=𝑥 (𝑥+4)(𝑥−3)

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following graphs represents a second-degree function?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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