Answer:
D, (5,-8)
Step-by-step explanation:
On the graph in the image, you can see option D's only point on the line.
To find the y-coordinate of the vertex, simply plug the value of -b / 2a into the equation for x and solve for y.
Answer:
No solutions! :)
Step-by-step explanation:
To find the number of solutions in a problem we must solve it.
x+2x+7=3x-7
Firstly, combine common terms:
3x+7=3x-7
We can subtract 3x from both sides:
7=-7
The solution is 7=-7, which is no solution.
When a number is equal to a number in a solution, it has no solutions!
:))
Answer:
43
Step-by-step explanation:
A penny is about 1/16 inch thick. So it would be 16 pennies.
