1ii) sketch y=x^2-4x-21

A parabola shape with x intercepts at x = -3 and x = 7 and the y intercept at y = -21

KI
Answered by Kishwar I. Maths tutor

3906 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve x^2 - 7x + 10 = 0


solve: 4x^2 + 6x - 4 > 0


3x+5y=7 and 9x+11y=13. Solve to find the values of x and y that satisfy both equations.


The are 10 coloured balls in a bag, 4 red, 3 green, 2 orange and 1 yellow. John picks out balls and replaces them one at a time. What is the probability that the first two he picks are red?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning