Question

B) Solve any four of the following.
1) Divide (5x - 3x2) by x- and write your answer in the form D=dxq+r.
2) Find the mean of following data 18,22,15.20.25.
3) Solve 3x - 7 = 2x-5.
4) Decide whether y = - 1 is the solution of the equation 3y + 4 = 1
5) If quotient is 3, divisor is x and remainder is 1 then find dividend.​

Answer 1

Answer:

4) 3y+4=1

y= -1

3( -1 ) + 4 = 1

There the statement is true