First Grading Examination in Mathematics 9

A quadratic equation has a maximum of how many solutions?

• 4

• 3

• 2

• 1

In the quadratic equation 2x2+7x-2=0, which is the quadratic term?

• 2𝑥2

• 𝑥2

• 7𝑥

• −2

In the quadratic equation 5𝑥2−4𝑥+8=0, which is the quadratic term?

• 8

• 0

• 5𝑥2

• −4𝑥

In the quadratic equation, (𝑥+7)2=289, what is the value of 𝑥?

• −24

• −10

• −10 or −24

• 10 or −24

What are the roots of the quadratic equation 3ℎ2=147 ?

• ±7

• ±14

• ±27

• ±49

What is 𝑥 in the quadratic equation 𝑥2+3𝑥−28=0?

• −4 and −7

• −7 and 4

• 4 and 7

• −4 and 7

What are the solutions of the quadratic equation 𝑥2+10𝑥+21=0?

• −11 and −10

• −7 and −3

• 3 and 7

• 10 and 11

What is the value of 𝑥 in the quadratic equation 2𝑥2+8𝑥−10=0?

• 4 or 1

• 3 or −5

• 1 or −5

• −3 or −4

Which of the following will make the equation x2−6𝑥+ _____ a perfect square trinomial?

• 3

• 6

• 9

• 12

Which of the following is the correct factor of the equation w2+3w+2=0?

• ( w + 3)(w +1) = 0

• (w + 1)(w + 2) = 0

• (w - 3)(w - 1) = 0

• (w - 1)(w - 2) = 0