Alegbraic Expressions NCERT Grade 7 Ex. 12.3

Express the as ratios: 6/7

State which of the following are algebraic expressions and which are arithmetic expressions. a. 3y-3(2xx5)" "b. 12-5a" "c. 2(p+5)-13" "d. 3xx(12 div 4)

Find which of the following expressions are algebraic expressions and which are arithmetic expressions. a. 3 xx (5 + y) b. 12 - (5 - 3) c. 3p - 22 d. 5-(3)/(2) (x - 5) e. 11 xx (12 div 3)

The expression 2x^3-3x^2+4x-7\ is an algebraic expression.find the terms of the expression

Classify the following as 'arithmetic expressions' or 'algebraic expressions'. 3xx(12+9)

Classify the following as 'arithmetic expressions' or 'algebraic expressions'. 3+7xx15

Write all the terms of each of the following algebraic expressions : 3-7x

Classify the following as 'arithmetic expressions' or 'algebraic expressions'. 12x-56

Solve the following equations by using the general expression for a quadratic equation: x^2-7ix-12=0

In a Spanish class there are m students , of which n did NOT pass the last exam . Which of the following is a general expression for the fraction of the class that did receive a passing grade ?