Which equation has no solution? 4(x + 3) + 2x = 6(x + 2)
5 + 2(3 + 2x) = x + 3(x + 1)
05(x + 3) + x = 4(X + 3) + 3
4 + 6(2 + x) = 2(3x + 8)

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.