1.The standard form of a quadratic is ax²+bx+ c=0.In the quadratic equation x²+2x-1=0,what is the value of a?

A.1 B. 2 C.-1

2.Which of the following illustrates a quadratic equation

A. Land area B.Volume of a water C. Population

3.In the quadratic equation 2x²+3x-1=0,what is the sum of the roots

A. 3/2 B. - 3/2 C. ½

4. What is the nature of the roots if the discriminant of a quadratic is 25
A.Real numbers and equal
B. Rational numbers but not equal
C. No real roots

5.Find the discriminant of a quadratic equation 2x²+3-1=0

A.17 B. 9 C. 1
6.The sum and product of roots are -2 and 7,give the quadratic equation

A. x²+2x+7=0 B. x²+2x-7=0
C.x²+x-3=0
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