Question

how do you find the zeroes of

y= 2x(squared)-7x+15

Answer 1

Please type your <u>subject</u> in the <b>School Subject</b> box. Any other words are likely to delay responses from a teacher who knows that subject well.

Answer 2

first test to see if there are real roots

(b^2 - 4 a c) must be +
49 - 4*2*15
NO WAY
no real roots. Never crosses the x axis.