Answer:
it's a,c,d like if this helps
Answer:
(-1)/7
1/(-7)
-(1/7)
These two equations will be equal to -1/7 as
(-1)/7=-1/7
1/(-7)=-1/7(THE SIGN OF THE DENOMINATOR WILL BE GIVEN TO THE NUMERATOR IF NEGATIVE)
-(1/7)=-1/7 (When we avoid the bracket the answer will be equalent)
2x + y = 7
3x + 5y = 14
a. True
b. False
Part A
Go to your math tools and open the Graph tool to graph the two sets of equations. To see where the two lines intersect, change the scale so that the x-axis goes from 0 to 30 and the y-axis goes from 0 to 12. Paste a screenshot of the resulting graph in the answer space.
Part B
At which point do the lines intersect?
Part C
Do the coordinates of the point of intersection satisfy both equations simultaneously?
Answer:
Part-A: refer to the attachment
Part-B: (10,11)
Part-C: yes
step-by-step explanation:
Part-A:
refer to the attachment
(I used a online graphing calculator to graph the equations which made the work easy)
Part-B:
When two lines share exactly one common point, they are called the intersecting lines and thepointis called thepointof interception
Looking at the graph,we can understand that the two lines share a common point at (10,11),
hence,
The lines intercept at the point (10,11)
PartC:
well, to find the answer of this part, we can consider doing equality check by substituting the value of the point we got.
The point (10,11) means that the left and right hand side of both of the equations i.e are equal when x and y equal to 10 and 11 respectively.
So let's justify the points:
equation-1:
substitute the value of x and y respectively:
simplify addition:
equation-2:
substitute the value of x and y respectively:
simplify addition:
so,
Yes,the coordinates of the point of intersection satisfy both equations simultaneously
Answer:
h
Step-by-step explanation:
how do I do this?