2x²-6x+8=0
x²-3x+4=0
D=b²-4ac=9-16=-7
x=(3+/-i√7)/2
correct answer is the last one
Answer:
6x+16
Step-by-step explanation:
x+20+5x-4
Gather the like terms: (x+5x)+(20-4)
= <u>6x+16</u>
Answer: The y-intercept is (0, -12)
Step-by-step explanation:
y = 40x - 12
y = 40(0) - 12
y = -12
