Algebra Answers

a) Learner says:

“405 is smaller than 450” Concept(s)/aspect(s) involved (1)

Is the answer right or wrong? Give reasons/explanation (1)

A Pumpkin gets launched into the air from a cliff above a pond. The following equation represents the height of the pumpkin from the pond, h(t)=−16t2+56t+32where t is time in seconds.  What is the maximum height the pumpkin reaches?

How would a behaviourist teacher explain 1/2÷1/3? (2)

Use inductive reasoning to predict the most probable next number in each of the following lists.

A.5, 10, 15, 20, 25, ? (?)

How would a behaviourist teacher explain 1/2÷1/3?                        

11. Solve the system by using the substitution method:

y=(x+3)²-1

y=2x+5

A. (-3,-1) and (-1,3)

B. (-1,-3) and (3,-1)

C. (-3,1),(-1,3),(-1,-3) and (3,-1)

D.No solution! it is an inconsistent system

12. Solve the system by using the elimination method:

3x+y²=21

4x²-2y³=-2

A. (2,3) and (2,-3)

B. (-2,3) and (-2,-3)

C. (2,3),(2,-3),(-2,3) and (-2,-3)

D. No solution! It is an Inconsistent System

Systems Of Nonlinear Equations

-Solve the following equations.

1. { x+2y=0

{ x²+y²=5

2. { x+y=3

{ x²+y²=2

the 11th term of a geometric sequence is 81 and the 14th term is 3. find the 4th term

which trinomial is equivalent to (3x - 2) (x +4)

An element with mass 290 grams decays by 13.2% per minute. How much of the element is remaining after 14 minutes, the nearest of a gram?