7=x^2+20x+82
0=x^2+20x+75
What adds to 20 and multiplies to 75? 5 and 15.
x^2+5x+15x+75
x(x+5) 15(x+5)
(x+15) (x+5)
Zeroes are x= -5 and x= -15
Answer:
Domain = all real numbers
Range = {-1 [greater than or equal to] y [greater than] Infinity}
Answer:
Step-by-step explanation:
Answer:
6.333... is greater
Step-by-step explanation:
6.3 is larger than 6.2
Answer:
A because it cannot be simplified to anything smaller
Step-by-step explanation:
It can’t be simplified because 17 is a prime number