In the quadratic equation, if the value of b 2 - 14ac < 0, then what is the nature of the roots?

real, rational and unequal roots

real, irrational and unequal roots

real, rational and unequal roots.

Which of the following situations suggest the application of quadratic functions in real-life?

throwing a ball into the air and finding the time when does it hit the ground

T he rise and fall of profit from selling goods

the decrease and increase in the amount of time it takes to run a mile based on your age

the amount of money you spend to the number of candies you buy.

1 A ball is thrown vertically upwards with a velocity of 16 meters per second. It reaches a height of 16𝑡 − 5𝑡 2 after 𝑡 seconds. Which of the following will happen after the ball has been released?

The ball will be 12 meters high after 2 seconds

The ball will reach a height of 16 meters in 2 seconds.

The ball will touch the ground in 4 seconds

The ball will reach its maximum height in 3 seconds.

Which of the following is the correct quadratic function for the given table?

𝑦 = −2𝑥 2 − 4𝑥 − 7

𝑦 = −2𝑥 2 + 4𝑥 − 7

1st Periodical Exam (Reviewer) MATHEMATICS 9

Authored by Ana Lagunero

Mathematics

9th Grade

Used 6+ times

1st Periodical Exam (Reviewer) MATHEMATICS 9

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A quadratic equation in one variable is written in the form ax²+ bx + c = 0. Which of the following is true about the values of a, b and c

a, b. c are any number

a, b and c are real number and a ≠ 0.

a, b and c are real numbers

a, b and c are real numbers and c is a constant.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is a quadratic equation?

y = 3^x

x³ + 3x² - 17 = 0

(x-8)(x+1) = 15

xy = 5²

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In the equation (x-3)² = 16, what are the values of x ?

7 and -1

-7 and 1

-7 and -1

7 and 1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following quadratic equations can be solved easily by extracting the square roots?

y² - 3y -10

4m²-64 = 0

5n² + 7n -51

6x²-9x+12

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following equations has roots of 4 and -4

x²+ 8x + 16

x²+ 8x - 16

x²- 16

x²+ 16

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If x²+ 6x = 16 will be solved by completing the squares, what must be added to both sides to make the left side a perfect square?

-9

-3

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the solution/s of x²- 5x + 2 = 0, using quadratic formula

$\frac{5\pm\sqrt[]{17}}{5}$

$\frac{5\pm\sqrt[]{17}}{2}$

$\frac{-5\pm\sqrt[]{17}}{2}$

$\frac{-5\pm\sqrt[]{17}}{5}$

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1st Periodical Exam (Reviewer) MATHEMATICS 9

A quadratic equation in one variable is written in the form ax²+ bx + c = 0. Which of the following is true about the values of a, b and c

Which of the following is a quadratic equation?

In the equation (x-3)² = 16, what are the values of x ?

Which of the following quadratic equations can be solved easily by extracting the square roots?

Which of the following equations has roots of 4 and -4

If x²+ 6x = 16 will be solved by completing the squares, what must be added to both sides to make the left side a perfect square?

Find the solution/s of x²- 5x + 2 = 0, using quadratic formula

What is the value of the discriminant in the quadratic equation x²- 10x + 12

In the quadratic equation, if the value of b²- 14ac < 0, then what is the nature of the roots?

In symbol, represent the sum of the roots of the quadratic equation ax²+ bx + c

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

1st Periodical Exam (Reviewer) MATHEMATICS 9

A quadratic equation in one variable is written in the form ax2 + bx + c = 0. Which of the following is true about the values of a, b and c

Which of the following is a quadratic equation?

In the equation (x-3)2 = 16, what are the values of x ?

Which of the following quadratic equations can be solved easily by extracting the square roots?

Which of the following equations has roots of 4 and -4

If x2 + 6x = 16 will be solved by completing the squares, what must be added to both sides to make the left side a perfect square?

Find the solution/s of x2 - 5x + 2 = 0, using quadratic formula

What is the value of the discriminant in the quadratic equation x2 - 10x + 12

In the quadratic equation, if the value of b2 - 14ac < 0, then what is the nature of the roots?

In symbol, represent the sum of the roots of the quadratic equation ax2 + bx + c

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

A quadratic equation in one variable is written in the form ax²+ bx + c = 0. Which of the following is true about the values of a, b and c

In the equation (x-3)² = 16, what are the values of x ?

If x²+ 6x = 16 will be solved by completing the squares, what must be added to both sides to make the left side a perfect square?

Find the solution/s of x²- 5x + 2 = 0, using quadratic formula

What is the value of the discriminant in the quadratic equation x²- 10x + 12

In the quadratic equation, if the value of b²- 14ac < 0, then what is the nature of the roots?

In symbol, represent the sum of the roots of the quadratic equation ax²+ bx + c