book Maths Puzzle Numerical Ability

Write in scientific notation.

75,000,000

Read Solution (Total 0)

book Other Question

Without drawing a graph how can I determine (a) how many x-intercepts the parabola has (b) whether its vertex is above, below or on the x- axis?


y = -x^2 + 2x-1
Find all the values of x from the following equation:

30/2x+1 minus 8/x-1 + 2=0