Half Term 1

Question 1

y - y1 = ?

Answer 1

m(x - x1)

Question 2

What does a negative power mean?

Answer 2

The reciprocal

Question 3

What does a fraction exponential mean?

Answer 3

A square root

Question 4

What do you get when you multiply two inversely proportional fractions together?

Answer 4

You get -1

Question 5

What happens when both sides of an exponential equation have the same base?

Answer 5

Their powers are equal

Question 6

T/F: Directly proportional graphs pass through the origin

Answer 6

True

Question 7

How is the discriminant related to the roots of an equation?

Answer 7

If the discriminant = 0, there is one repeated root
If the discriminant < 0, there are no real roots
If the discriminant > 0, there are two roots

Question 8

What does f(x + a) mean?

Answer 8

A horizontal translation of -a

Question 9

What does f(x - a) mean?

Answer 9

A horizontal translation of +a

Question 10

What does f(ax) mean?

Answer 10

A horizontal stretch of 1/a, you multiply all x values by 1/a

Question 11

What does af(x) mean?

Answer 11

A vertical stretch of a, this means you multiply all y values by a

Question 12

What is f(-x)?

Answer 12

A reflection in the y-axis

Question 13

What is -f(x)?

Answer 13

A reflection in the x-axis

Question 14

T/F: A quadratic can only have one root

Answer 14

False: A quadratic can only have two roots or one repeated root

Question 15

What is a root?

Answer 15

Where the line crosses the x-axis

Question 16

What do you need to include when you square root a value?

Answer 16

You must include a +- before the solution

Question 17

What is the dividend?

Answer 17

The number you are dividing by

Question 18

What is the divisor?

Answer 18

The number you are dividing

Question 19

What is the quotient?

Answer 19

The whole answer from a division

Question 20

What is the remainder?

Answer 20

The number left over from the quotient of a division

Question 21

How do you use the factor theorem?

Answer 21

When (x - a) is a factor of an equation subbing +a into the equation will make the equation equal to 0

Question 22

What does this set notation mean? {x: x > 1}

Answer 22

x is such that it is always greater than 1