Goformative Review M2 Quadratics Day 2

Last updated over 3 years ago

5 questions

1

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?

Which polynomial is equivalent to (−3n+1)2?

A.  9n2−6n+1

B. −9n2−6n+1

C.  9n2+1

D. −9n2+1

What is 2x2 − x + 82x2−x + 8 subtracted from −x2+13x−6?

A.  x2+12x+2

B. −3x2+14x−14

C.  3x2−14x+14

D. −x2−12x−2

Tom is simplifying expressions in his math class.

Which expression is equivalent to the expression above?

A.  10c

B. 10c+4d

C. 10c+8d

D.  12c+8d

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?

A. (2x−4) in.2

B. (8x−8) in.2

C. (2x2−4x) in.2 

D. (4x2−8x) in.2

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?

A.  20t + 4 

B.  20t − 4

C.  −32t2+20t+4

D. −32t2+20t−4

Which polynomial is equivalent to (−3n+1)2?

A.  9n2−6n+1

B. −9n2−6n+1

C.  9n2+1

D. −9n2+1

What is 2x2 − x + 82x2−x + 8 subtracted from −x2+13x−6?

A.  x2+12x+2

B. −3x2+14x−14

C.  3x2−14x+14

D. −x2−12x−2

Tom is simplifying expressions in his math class.

Which expression is equivalent to the expression above?

A.  10c

B. 10c+4d

C. 10c+8d

D.  12c+8d

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?

A. (2x−4) in.2

B. (8x−8) in.2

C. (2x2−4x) in.2 

D. (4x2−8x) in.2

Goformative Review M2 Quadratics Day 2

Goformative Review M2 Quadratics Day 2

Which polynomial is equivalent to (−3n+1)2?

What is 2x2 − x + 82x2−x + 8 subtracted from −x2+13x−6?

Tom is simplifying expressions in his math class.Which expression is equivalent to the expression above?

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?

Tom is simplifying expressions in his math class.

Which expression is equivalent to the expression above?