Factoring Quadratic Formula Difference Complete Factoring of Squares

Factoring

Quadratic Formula Difference Complete Factoring of Squares the square F. O. I. L 10 10 10 20 20 20 30 30 30 40 40 40 50 50 50

Question 1 - 10 • What is the quadratic formula?

Answer 1 – 10

Question 1 - 20 • Use the quadratic formula to solve for x: X 2+5 x+4=0

Answer 1 – 20 • X= -1 and -4

Question 1 - 30 • Use the quadratic formula to solve for x: 3 x 2+7 x-5=-9

Answer 1 – 30 • X= -1 and (-4/3)

Question 1 - 40 • Use the quadratic formula to solve for x: X 2 -7=9 x

Answer 1 – 40 •

Question 1 - 50 • Use the quadratic equation to solve for x: 3 x 2 -10 x+5=0

Answer 1 – 50 •

Question 2 - 10 • Use FOIL to obtain the original equation: (x+3)(x+2)=0

Answer 2 – 10 • X 2+5 x+6=0

Question 2 - 20 • Use FOIL to obtain the original equation: • (x-4)(x+11)=0

Answer 2 – 20 • X 2+7 x-44=0

Question 2 - 30 • Use FOIL to obtain the original equation: (6 x-6)(3 x-5)=0

Answer 2 – 30 18 x 2 -48 x+30=0

Question 2 - 40 • Use FOIL to obtain the original equation: (7 x-8)(7 x+10)=0

Answer 2 – 40 49 x 2+14 x-80=0

Question 2 - 50 • Use FOIL to obtain the original equation: (9 x-12)(6 x-8)=0

Answer 2 – 50 54 x 2 -144 x+96=0

Question 3 - 10 • Use difference of squares to solve for x: X 2 -4=0

Answer 3 – 10 (x+2)(x-2)=0 X= 2 and -2

Question 3 - 20 • Use difference of squares to solve for x: X 2 -16=0

Answer 3 – 20 • (x+4)(x-4)=0 • X= 4 and -4

Question 3 - 30 • Use difference of squares to solve for x: 3 x 2 -27=0

Answer 3 – 30 • 3(x+3)(x-3)=0 • X= 3 and -3

Question 3 - 40 • Use difference of squares to solve for x: 2 x 2 -338=0

Answer 3 – 40 2(x 2 -169)=0 2(x+13)(x-13)=0 X= 13 and -13

Question 3 - 50 • Use difference of squares to solve for x: 4 x 2 -7=9

Answer 3 – 50 4 x 2 -16=0 4(x 2 -4)=0 4(x+2)(x-2)=0 X= 2 and -2

Question 4 - 10 • Complete the square to solve for x: X 2+6 x+1=0

Answer 4 – 10 x= -3+2√ 2 and -3 -2√ 2

Question 4 - 20 • Complete the square to solve for x: X 2+10 x-5=0

Answer 4 – 20 X= -5+√ 30 and -5 -√ 30

Question 4 - 30 • Complete the square to solve for x: 3 x 2+18 x-9=0

Answer 4 – 30 X= -3+2√ 3 and -3 -2√ 3

Question 4 - 40 • Complete the square to solve for x: 5 x 2+50 x-125=0

Answer 4 – 40 X= -5+5√ 2 and -5 -5√ 2

Question 4 - 50 • Complete the square to solve for x: 4 x 2+72 x+16=0

Answer 4 – 50 X= -9+√ 65 and -9 -√ 65

Question 5 - 10 • Solve for x by factoring: x 2 -3 x-4=0

Answer 5 – 10 X= 1 and -4

Question 5 - 20 • Solve for x by factoring: X 2+4 x+3=0

Answer 5 – 20 X= 3 and 1

Question 5 - 30 • Solve for x by factoring: X 2+3 x-10=0

Answer 5 – 30 X= -5 and 2

Question 5 - 40 • Solve for x by factoring: 4 x 2 -7 x-15

Answer 5 – 40 X= 3 and (-4/5)

Question 5 - 50 • Solve for x by factoring: 56 x 2+61 x+15=0

Answer 5 – 50 X= (-5/7) and (-3/8)