From expressions using y,2 and 7. Every expression must have y in it. Use only two number operations. These should be different.

From expressions using t and 4. Use not more than one number operation. Every expression must have t in it.

Use the given algebraic expression to complete the table of number patterns.

The expression a (x^(2)-y^(2))-b x y admits two linear factors for

Get the algebraic expressions in the following cases using variables, constants and arithmetic operations: The number z multiplied by itself.

Make up as many expressions with numbers (on variables) as you can from three 5,7 and 8. Every number should be used not more than once. Use only addition, subtraction and multiplication. (Hint: Three possible expressions are 5+(8-7), 5-(8-7),(5×8)+7, make the other expressions.)

Express as kg using decimals (a) 2 g

Get the algebraic expressions in the following cases using variables, constants and arithmetic operations: One-half of the sum of number x and y.

Get the algebraic expressions in the following cases using variables, constants and arithmetic operations: Numbers x and y both squared and added.

Get the algebraic expressions in the following cases using variables, constants and arithmetic operations: Number 5 added to three times the product of numbers m and n.

Express each of the following numbers using exponential notation: 512