MATH 1ST GRADING 8A REVIEW

What is the Quadratic Formula?

• x=[-b±√(b²-4ac)/2a]

• ax²+bx+c=0

• b²-4ac

• -b/a

Solve by either factoring or using the quadratic formula. x²-5x+6=0

• x=2,x=3

• x=-2,x=-3

• x=2,x=-3

• x=4,x=2

Solve the quadratic equation: x²-3x-4=0

• x=-4,x=1

• x=4,x=1

• x=4,x=-1

• x=-4,x=-1

Solve the equation: x²+4x+4=0

• x=-4

• x=-2

• x=-4,x=0

• x=4

Solve the quadratic equation: x²+6x-7=0

• x=1,x=-7

• x=7,x=-1

• x=-7,x=-1

• x=1,x=7

Solve the quadratic equation: 2x²-4x-6=0

• x=3,x=-1

• x=-3,x=1

• x=3,x=2

• x=-3,x=-2

What is the nature of the roots of the equation: x²+4x+5=0?

• real, unequal and rational

• real, unequal and irrational

• imaginary and unequal

• real and equal

Determine the nature of the roots for the quadratic equation 2x²-3x+1=0

• real, unequal and rational

• real, unequal and irrational

• imaginary and unequal

• real and equal

For the equation x²+x+1=0, what is the nature of the roots?

• real, unequal and rational

• real, unequal and irrational

• imaginary and unequal

• real and equal

For the equation x²-7x+12=0, what is the sum and product of the roots?

• Sum=7, Product=12

• Sum=-7, Product=12

• Sum=7, Product=-12

• Sum=-7, Product=-12