The expression −16t2 + 100t represents the height in feet of a rocket t seconds after it is launched. The expression −16t2+ 80t + 4 represents the height in feet of a second rocket t seconds after it is launched. Which expression is equal to the height of the second rocket subtracted from the height of the first rocket?
1 point
1
Question 2
2.
Which polynomial is equivalent to (−3n+1)2?
1 point
1
Question 3
3.
What is 2x2 − x + 82x2−x + 8 subtracted from −x2+13x−6?
1 point
1
Question 4
4.
Tom is simplifying expressions in his math class.
Which expression is equivalent to the expression above?
1 point
1
Question 5
5.
A rectangle has a length of x inches and a width of 2 inches less than the length. If the dimensions were doubled, what would be the area of the new rectangle in terms of x?