Alg 2 9/20

Which statement is true?

• The absolute value of 3 is -3

• The opposite of 7 is 7

• The absolute value of 5 is equal to the opposite of 5

• The opposite of -4 is equal to the absolute value of -4

What's a way to define absolute value?

• The value of a number

• The opposite of a number

• The distance of a number from zero

• The multiplicative inverse of a number

What is the reason that absolute value is always written as a positive?

• Absolute value is talking about numbers so it must be positive.

• Absolute value does not always have to be positive.

• Absolute value is like a clock it has only positive numbers.

• Absolute value is talking about distance, distance is always measured by positive numbers.

The absolute value of -3 is the distance between:

• 3 and -3 on the number line

• -3 and 0 on the number line

• 1 and 3 on the number line

• 1 and -3 on the number line

Select the true statement

• |-220| = -220 and 220

• -|220|=  220

• |-220|= 220

• |-220|= -220

|x| > 7 Is this an "and" or an "or"?

• And

• Or

Solve for the values of x:
(x - 3)(x + 6) = 0

• { -3, -6 }

• { 3, -6 }

• { -3, -6 }

• { 3, 6 }

How many real zeros does the function have?

• None

• 2

• 3

• 4

What are the zeros of the function?

• 4,1

• 3,1,-2,-5

• -3, -1, 2, 5

• -2,4

What is the y-intercept of the following cubic function?

• (1, 0)

• (0, 2)

• (-1, 0)

• (2, 0)