Answer:
x - intercepts: -1, -7
Solutions: [is the x-intercepts] -1,-7
Factors: (x+1)(x+7)
Vertex: -4, -9
Axis of symmetry: x = -4
Step-by-step explanation:
Answer:
purple graph is for x+y>3
black graph is for x+y<-4
Step-by-step explanation:
I recommend u use desmos. it'll really help
hope u have a nice day :)
Answer:
she has a 1/4 of the property remaining
Step-by-step explanation:
Answer:
271 people
Step-by-step explanation:
Margin of error = critical value × standard error
At 90% confidence, the critical value is 1.645.
Standard error for a proportion is s = √(p (1 − p) / n).
0.05 = 1.645 √(0.52 (1 − 0.52) / n)
n = 271