# Math Class 10 Formulas MCQs Quiz Online PDF Download eBook

Math class 10 formulas Multiple Choice Questions (MCQ), math class 10 formulas quiz answers PDF to practice grade 10 math test for online school programs. Learn algebraic formulas and applications Multiple Choice Questions and Answers (MCQs), "Math Class 10 Formulas" quiz questions and answers for online school classes. Learn algebraic expressions, math formulas, surds and surds applications, math class 10 formulas test prep for online schools.

"A² + b² + c² + 2ab + 2bc + 2ca is equal to" Multiple Choice Questions (MCQ) on echo of sound with choices *(a + b - c)², (a + b + c)², 2abc (a + b + c)², and (a - b + c)²* for online school classes. Free math student portal for online learning algebraic formulas and applications quiz questions for high school graduation certificate.

## MCQs on Math Class 10 Formulas PDF Download eBook

MCQ: A² + b² + c² + 2ab + 2bc + 2ca is equal to

- (a + b - c)²
- (a + b + c)²
- 2abc (a + b + c)²
- (a - b + c)²

B

MCQ: If a + b = 5 and a - b = 3 then the value of a² + b² should be

- 21
- 15
- 17
- 11

C

MCQ: (a + b)² + (a - b)² is equal to

- a² + b²
- 2(a² + b²)
- a² - b²
- 2(a² - b²)

B

MCQ: If a + b = 5 and a - b = 3 then the value of ab should be

- 4
- 5
- 3
- 6

A