Question

help please

Answer 1

Question 2 (Multiple Choice Worth 2 points)

(03.08)

Solve x2 - 7x = -13.

x equals quantity of negative 7 plus or minus I square root of 6 all over 2
x equals quantity of negative 7 plus or minus I square root of 3 all over 2
x equals quantity of 7 plus or minus I square root of 6 all over 2
x equals quantity of 7 plus or minus I square root of 3 all over 2
Question 3 (Multiple Choice Worth 2 points)

(03.08)

Solve -3x2 - 4x - 4 = 0.

x equals quantity of 2 plus or minus 4i square root of 2 all over 3
x equals quantity of 2 plus or minus 2i square root of 2 all over 3
x equals quantity of negative 2 plus or minus 2i square root of 2 all over 3
x equals quantity of negative 2 plus or minus 4i square root of 2 all over 3
Question 4 (Multiple Choice Worth 2 points)

(03.08)

Solve 5x2 = -30x - 65.

x = -3 ± 2i
x = -3 ± 4i
x = -6 ± 2i
x = -6 ± 4i

Answer 2

these are my 3 questions out of a 100 but i understand the rest these are the only ones i cannot figure out