Reviewer MATH 8

How to find the value of x?

• To get the sum or difference of the same numerals and divide.

• To multiply or divide of the same numerals and subtract.

• Both a and b

• None of these choices

Find the x: 6x-7=5

• 1

• 2

• 0

• none of these choices

Find the x: 12+8x=2

• -6

• -5

• 8

• 6

Find the x: 45x-200=25

• -5

• -6

• -4

• 5

What are the key steps to solve the product of Binomial?

• using the OILF method

• using the FILO method

• using the LIFO method

• using the FOIL method

Which the mathematical statement is correct?

• (2x - y) (3x - y) = 6x2 - 5xy + y2

• (4x - 5) (4x - 5) =16x2 - 40x - 25

• (3x - 4) (2x + 7) = 6x2 - 13x - 28

• (2x + 5)2 =4x2 + 20x + 25

Find the missing terms (x + __) (3x + ___) = 3x2 + 27x + 24

• 6, 4

• 4, 6

• 8, 3

• 12, 2

Solve (r - t + n)2

• r2 + t2 + n2 - 2rt + 2rn - 2tn

• r2 + t2 + n - 2tr + 2nr - 2nt

• r2 + n2 - 2rt + 2rn - 2tn + t2

• none of these choices

Solve (3 + a + b)2

• 9 + a2 + b2 + 6a + 6b + 2ab

• a2 + b2 + 6a + 6b + 2ab + 9

• a2b2 + 6a2b2 + 2ab + 6

• Both A and B

How to solve the cube of Binomial?

• Cube the first term and the second term

• Twice the first term, the second term

• Multiply the first term, twice the second term

• All the choices are correct