Mathematical Knowledge

Question 1

if A=6 and b=5 what is the value of

(A^2 -B^2)^2

Answer 1

B. 11

Question 2

If x+ 3y=7 and y=2, then x equals?

Answer 2

A.1

Question 3

What’s the value of 3x+5y, when x=12 and y=4

Answer 3

C. 56

Question 4

If 4x + 12= 0, then x =

Answer 4

C. -3

Question 5

what is 5x times (3x^2-5)?

Answer 5

D. 15x ^3 - 25x

Question 6

what are the factors of x^2+4x+3

Answer 6

D. (𝑥+3) (𝑥+1)

Question 7

what is the sum of 3x^3-2x+8 2x^2+5x and x^3+2x^2-3x-3

Answer 7

A. 4x^3+4x^2+5

Question 8

What is the area of a parallelogram if its length is x+4 and its height is x+3?

Answer 8

X^2 + 7x + 12

Question 9

Simply 3/5x + x

Answer 9

D. 8/5x

Question 10

Graphs of the following equations are straight lines EXCEPT

Answer 10

D. Y= x^2 + 3

Question 11

The hypotenuse of a right triangle has a length of 14 units and a side that is 9 units long. Which equation can be used to find the length of the remaining side?

Answer 11

X^2 = 14^2 -9^2

Question 12

The factors of 2x ^2 +xy-3y^2 are

Answer 12

(2x+3y)(x-y)

Question 13

what is the reciprocal of 3 - 1/5

Answer 13

5/16

Question 14

The product of 3! is

Answer 14

D. 6