1st Quarter Test in Math 9

Which of the following is a quadratic equation?

• 2x​+3y​=1

• 5t³−2t²+t−10=0

• m²−5m+6=0

The values of a, b and c in the quadratic equation ax² +bx + c = 0

 must be in the set of ____ _______.

• Real Numbers

• Integers

• Rational Numbers

In the equation x² + x − 6 =0, the value of a is ___.

• 0

• 1

• cannot be determined

A quadratic equation is said to be in its standard form if the equation is written on __________

• ax +bx=c

• ax³+bx²+cx +d=0

• ax²+bx+c=0

In the given equation (2x−5)(3x+9)=0, find the value of b.

• 33

• -33

• 3

Determine the value of a, b , and c in the equation x² + 4x + 3 = 0

• a = 1, b = 4, c = 3

• a = 0, b = 4, c = 3

• a = x² , b = 4x, c = 3

Which is the quadratic formula?

• b^2-b - 4ac

• 
• 

Solve x² + 5x = 0

• x =5 or x = 0

• x =-5 or x = 1

• x =-5 or x = 0

Write in the standard form 5x² = 7 + 2x

• -5x² + 2x - 7 = 0

• 5x² - 2x - 7 = 0

• 5x² + 7 - 2x = 0

How many solutions are there in the equation x2 + 10x + 25 = 0?

• 0

• 1

• 2