Quadratic equations - 3 methods

The solutions of the quadratic equation

x²-5x+6=0 are

• x=1 or x=-6

• x=-1 or x=6

• x=3 or x=2

• x=-3 or x= 2

Tags

CCSS.HSA-REI.B.4B

To complete the perfect square trinomial in the expression x²-22x+_____, we need to add

• 11

• 121

• 44

• 144

In the expression 4x²-5x+9 the leading coefficient is

• 9

• -5

• -4

• 4

The solutions of the quadratic equation
 $4x^{2\ }-5x-9=0$   are

•  $x=-1\ or\ x=\frac{9}{4\ }$  

•   $x=1\ or\ x=\frac{9}{4\ }$ 

• x=2 or x=3

• x=-2 or x=3

Tags

CCSS.HSA-REI.B.4B

One solution of the quadratic equation

x²-7x+12=0 is

• 3

• 2

• No real solutions

• -2

Fill the blank space to complete the perfect square trinomial

x²-18x+____=(x- ____)²

• 9 and 3 respectively

• 81 and 9 respectively

• -9 and -3 respectively

• -81 and -9 respectively

Tags

CCSS.HSA-REI.B.4B

Which of the followig trinomial is perfect square trinomial?

• x²+4x+9

• x²+4x-9

• x²-22x-121

• x²-22x+121

Tags

CCSS.HSA.APR.C.4

Determine the values of a, b, and c for the quadratic equation:

4x² – 8x = 3

• a = 4, b = -8, c = 3

• a = 4, b = 8, c = 3

• a = 4, b =-8, c =-3

• a = 4, b = 8, c = -3

Factor x²-11x+24

• (x-3)(x-8)

• (x-2)(x-12)

• (x+3)(x+8)

• (x+2)(x+12)

The solutions of the quadratic equation

x²+x+3=0 are

• x = 1 or x = 3

• x = -1 or x = -3

• x = -3 or x = 1

• No real solutions