Answer:
It helps you see the visual move of what you were doing. If you weren't moving anything it would help you see if it is true or false. Say you put a dot on the origin (0,0), then you have to go (x+7,y+3) then moving it on a graph would help show you. So overall it's a visual help to people.
Answer: Formula= x^2 - 2x - 8
Roots=(-2 , 0) (4 , 0)
Step-by-step explanation:
1.) find the equation (the formula is Ax^2 + Bx + C, so plug it in)
2.)Plug it into your calculator's Y= X^2 - 2X - 8 (if you have one)
3.)Press 2nd, Calc, 2
4.)Go to the X Intersect , it will say Left Bound at the bottom left corner
5.)Press the left arrow about 3 or 4 times, hit enter
6.) It will now say Right Bound in the same corner go back to the X intersect, now press the right arrow 3 or 4 times
Repeat steps 3 to 6 for the other X intersect.
Answer:
£21552.
Step-by-step explanation:
Given information:
Principal amount = £18790
Rate of simple interest =4.9% = 0.049 per year
Time = 3 years
Formula for simple interest:
where, P is principal, r is rate of interest and t is time in years.
Total amount after 3 year is
Therefore, Dan have £21552 after 3 years.
Answer:
i can help
Step-by-step explanation:
what the question