Y12 003 Inequalities Flashcards

1
Q

When solving an inequality what makes the sign flip?

A

When multiplying or dividing by a negative.

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2
Q

Spot the mistake:

A

The sign should have flipped when dividing by -2:

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3
Q
A
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4
Q
A
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5
Q
A
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6
Q

How would you shade the region which satisfies the inequality:

A
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7
Q

How would you shade the region which satisfies the inequality:

A
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8
Q
A

… above the x-axis.

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9
Q
A

… below the x-axis.

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10
Q
A

… on or above the x-axis.

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11
Q
A

… on or below the x-axis.

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12
Q

How would you solve the following without a calculator?

A
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13
Q

How would you solve the following without a calculator?

A
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14
Q

A curve and a line intersect at two distinct points…
What is your strategy?

A
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15
Q

A line is a tangent to a curve…
What could be your strategy?

A
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16
Q

What must you remember when solving

A
17
Q

What must you remember when solving

A