exam Maths Puzzle Numerical Ability

Hello can you help me with this.
Calculate the value of the discriminant of x^2+4x+4=0
By examining the sign of the discriminant in part a, how many x-intercepts would the graph of y=x^2+4x+4 have? Why?
Thanks

Read Solution (Total 0)

exam Other Question

Can someone please help me on the following problem?

I need to evaluate this function for the value specified.

f(x) = x^2 - 7x + 10; find (a) f(0), (b) f(5), and (c) f(-2).

Thank you,
sher Tickets for a play at the community theater cost $18 for an adult and $10 for a child. If 80 tickets were sold and the total receipts were $1040, how many of each type of ticket were sold?