exam Maths Puzzle Numerical Ability

i really need some help to solve the following problem: y=x^2-9x+3 I tried to do it but kept getting different answers when I graphed it.

Read Solution (Total 0)

exam Other Question

three faces of a box have a common vertex and their combined area is 20cm squared. What is the total surface area of the box?

thank you. Parallelogram ABCD is divided by a diagonal into two congruent triangles. Angle DCA and BAC have equal measures of 60 degrees and are complementary. Find the measure of :

Angle DCA, DAC, CAB, ABC, BCA, AND BCD