Y12 003 Inequalities Flashcards
When solving an inequality what makes the sign flip?
When multiplying or dividing by a negative.
Spot the mistake:
The sign should have flipped when dividing by -2:
How would you shade the region which satisfies the inequality:
How would you shade the region which satisfies the inequality:
… above the x-axis.
… below the x-axis.
… on or above the x-axis.
… on or below the x-axis.
How would you solve the following without a calculator?
How would you solve the following without a calculator?
A curve and a line intersect at two distinct points…
What is your strategy?
A line is a tangent to a curve…
What could be your strategy?
What must you remember when solving
What must you remember when solving