Solving quadratic inequalities

All in One Place

Everything you need for better marks in university, secondary, and primary classes.

Learn with Ease

We’ve mastered courses for WA, NSW, QLD, SA, and VIC, so you can study with confidence.

Instant and Unlimited Help

Get the best tips, walkthroughs, and practice questions.

0/1
?
Intros
Lessons

  1. Solve:
    i)
    x2+2x15=0x^2+2x-15=0
    ii)
    x2+2x150x^2+2x-15\leq0
    iii) x2+2x15x^2+2x-15 >> 00
0/2
?
Examples
Lessons

  1. Solve:
    i)
    2x2+x+3=0-2x^2+x+3=0
    ii)
    2x2+x+30-2x^2+x+3 \ge 0
    iii) 2x2+x+3-2x^2+x+3 < 00

    1. Solve:
      i)
      x210x+25=0x^2-10x+25=0
      ii)
      x210x+25x^2-10x+25 > 00
      iii)
      x210x+25x^2-10x+25 < 00
      iv)
      x210x+250x^2-10x+25 \leq 0