Radical Key Features

Which of the following has the highest end point?

• A

• B

• C

• D

Compare the two functions below. Which function has a greater y-intercept?

• Neither function

• Cannot be determined from the graph alone.

• Both functions

• Neither function

What is the starting point of the graph of the radical function?

• (0,2)

• (2,0)

• (1,-1)

• (2,-2)

Is the result rational or irrational? Explain.

• Rational; The sum of two rationals is always rational.

• Irrational; The sum of a rational and an irrational is always irrational.

• Rational; The product of two rationals is always rational.

• Irrational; The product of a nonzero rational and an irrational is always irrational.

• x = -6
• x = 3
• x = -3
• x = 5±

Is the result rational or irrational? Explain.

• Rational; The sum of two rationals is always rational.

• Irrational; The sum of a rational and an irrational is always irrational.

• Rational; The product of two rationals is always rational.

• Irrational; The product of a nonzero rational and an irrational is always irrational.

Is the result rational or irrational? Explain.

• Rational; The sum of two rationals is always rational.

• Irrational; The sum of a rational and an irrational is always irrational.

• Rational; The product of two rationals is always rational.

• Sometimes rational, sometimes irrational; The product of two irrationals is sometimes rational, sometimes irrational

• -4

• -3

• 4

• 2

What is the range of the graph of the radical function?