Nonlinear equations and systems SAT practice questions

Math, Advanced Math. 220 questions

Solve quadratic, radical, rational and absolute value equations, and systems that mix a line with a curve.

All skills

What this skill tests

  • Quadratic equations and the discriminant
  • Radical and rational equations
  • Systems of a line and a parabola

How to approach it

  1. 1Use the discriminant to count real solutions without solving.
  2. 2Check radical and rational answers for extraneous solutions.
  3. 3For a line and a curve, graph both and count the intersections.
Read the guideDesmos on the SAT

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