A2H unit 2 vocab

Question 1

a summary of translations

y = f (x) + k

Answer 1

shifted UP k units

(if k=2, then the line would move vertically UP 2)

( “+” eqauls upward movement, and “-“ eqauls downward movemant)

Question 2

a summary of translations

y = f (x) - k

Answer 2

shifted DOWN k units

(if k=2, then the line would move vertically DOWN 2)

( “+” eqauls upward movement, and “-“ eqauls downward movemant)

Question 3

a summary of translations

y = f (-x)

Answer 3

reflected across the y-axis

Question 4

a summary of translations

y = -f (x)

Answer 4

reflected across the x-axis

Question 5

a summary of translations

y = f (x + k)

Answer 5

shifted LEFT k units

(if k=2, then the line would move LEFT UP 2)

( “+” eqauls right movement, and “-“ eqauls left movemant)

Question 6

a summary of translations

y = f (x - k)

Answer 6

shifted RIGHT k units

(if k=2, then the line would move RIGHT UP 2)

( “+” eqauls right movement, and “-“ eqauls left movemant)

Question 7

a summary of translations

y = |f (x)|

Answer 7

reflected above the x-axis

(if it originally lies below it)

Question 8

a summary of translations

y = kf (x)

Answer 8

shrunk vertically if 0 < |k| < 1 streched vertically if |k| > 1

Question 9

a summary of translations

y = f (kx)

Answer 9

shrunk horizontally if 0 < |k| < 1
stretched horizontally if |k| > 1

Question 10

a summary of translations

Input

Answer 10

(….) - the horizontal movement

Question 11

a summary of translations

Output

Answer 11

()…. - the vertical movement