Question

can someone help me with this problem

Which system of equations is represented by the graph?
y = x2 − 6x − 7
x − y = 1
y = x2 − 6x + 7
x + y = −1
y = x2 + 6x − 7
x − y = 1
y = x2 + 6x + 7
x + y = 1

Answer 1

i dont know

Answer 2

do you know

Answer 3

not a clue

Answer 4

ask a proffesional what grade is this

Answer 5

junior in high school

Answer 6

dang i am a freshman in high school

Answer 7

algebra 2 to be exact

Answer 8

why are you doing work on a saturday

Answer 9

so i get it done

Answer 10

homework?

Answer 11

then have the whole 3 day weekend off

Answer 12

i have to go to a stupid saturday school

Answer 13

why

Answer 14

i was absent for 6 days without bringing a note

Answer 15

i am on here asking questions to a worksheet that we are doing

Answer 16

oh my school has had two threats in the past 2 days one a bomb and one a gun

Answer 17

:o

Answer 18

what state is your school in

Answer 19

yeah sketchy

Answer 20

alright see ya

Answer 21

Which system of equations is represented by the graph?
y = x2 − 6x − 7 x − y = 1
y = x2 − 6x + 7 x + y = −1
y = x2 + 6x − 7 x − y = 1
y = x2 + 6x + 7 x + y = 1

Look at the line on the graph first.

What is the slope of the line?
What is the y-intercept?

Answer 22

slope and y are 5?

Answer 23

Let's start again....

Where does the line cross the Y axis?

Answer 24

at 1

Answer 25

can you tell me if the second one is the answer because thats what i got

Answer 26

Yes. The y-intercept is where the line crosses the y axis. So it is the variable b in the y-intercept form for the equation of a line.

y = mx + b so right now we have y = mx + 1

the m variable is use to represent the slope

What is the slope (m) of the line?

m = (y2 - y1) / (x2 - x1)

The graph has labelled two points on the line that intersect the parabola. Use the equation

m = (y2 - y1) / (x2 - x1) to determine the slope of the line

Answer 27

so it would be the second one

Answer 28

yes

Answer 29

Hint: It is not the second one, as the second on indicates an intercept of -1 and the graph indicates a positive 1.

Answer 30

You have at least two choices here: You could work backwards from the graphs to the equations, or you could graph each of the four sets of 2 equations and compare your graph to the given graph. Your choice!

Answer 31

Sorry,

I thought he meant the second slope equation I wrote, even though they were both the same. Thanks for jumping in.