madeleinemcall madeleinemcall

12-02-2015
Mathematics

Answered

Y=-x^2+2x+7

Y=2x+7

Can you please help me with this substitution for graphing

Verified Answer :

apologiabiology apologiabiology

13-02-2015

so subsitute 2x+7 for y
2x+7=-x^2+2x+7
subtract 2x+7 from both sides
0=-x^2
obviously x=0
then subsitute
0 for x
y=2(0)+7
y=0+7
y=7

the answer is
x=0
y=7

Answer Link

Related Questions

what were the effects on democracy when king john tried to raise taxes on the nobles

When y x2 which of the following expressions is equivalent to y

What was one reason for the interstate highway system begun in the 1950s

80 of what number is 15

What is the third step of effective communication a Be clear about your goals b Choose effective words c Be aware of feedback d Understand your receiver

What is the area of the figure find the area of the parallelogram

Alex is taking a creative writing class In class he learned that some writers make surprising interesting or amusing contradictions in their work Which literary

Bargain Bin sells jumbo size packages of hamburger patties and hamburger buns The patties come in packages of 18 and the hamburger buns come in packages of 24 W

The following is an example of what type of sequence 3 11 19 27 35 ageometric cratio barithmetic ddifference

whats a sentence with the word interval in it please try to show meaning