exercises solutions – unit 1, 2, & 3mspalma1.weebly.com/uploads/5/7/3/3/57336781... ·...
TRANSCRIPT
Solutions Instructions: Use the resources located on the Weebly to answer the following questions.
Problem 1: Define the following vocabulary terms.
a.) Increasing: To grow larger or greater; enlarging.
b.) Decreasing: Becoming less or fewer; reducing.
c.) Constant: Not changing; remains the same.
d.) Linear: Straight line.
e.) Non-‐linear: Non-‐straight line; curve. Problem 2: Consider the graph.
Describe the graph by writing each set of vocabulary terms into the corresponding section of the table. •Constant •Linear and increasing •Non-‐linear and decreasing •Non-‐linear and increasing
From point L to point M: Linear and increasing
From point M to point N: Non-‐linear decreasing
From point N to point X: Non-‐linear and increasing
From point X to point Y: Constant
Problem 3: Solve: 𝑥! = 25.
a.) The equation has no solutions. b.) -‐5 is the only solution. c.) 5 is the only solution d.) 5 and -‐5 are both solutions.
Problem 4: Simplify the expression to its simplest exponential form: !!
!! = 𝟑𝟔
Problem 5: Choose all the expressions that are equivalent to 2! ∙ 2!. There may be more than one equivalent expression. a.) 𝟐𝟐 ∙ 𝟐𝟐 ∙ 𝟐𝟑 b.) 4!" c.) 4!!! d.) 𝟐𝟕 e.) 2!"
Problem 6: Write 12,350 in scientific notation. 𝟏.𝟐𝟑𝟓 × 𝟏𝟎𝟒 Problem 7: Approximately 1.2 × 10! gallons of water flow each second. There are 3.24 × 10! seconds in 1 day. Select the approximate number of gallons of water that flow in 1 day. (Hint: How do you multiply two scientific notation forms?) a.) 38.88 × 10! b.) 𝟑.𝟖𝟖𝟖 × 𝟏𝟎𝟔 c.) 388.8 × 10! d.) 3.888 × 10!
Problem 8: For each number, decide whether the following are rational or irrational.
a.) !! = Rational c.) 𝜋 = Irrational
b.) 2 = Irrational d.) −27 = Rational
Problem 9: Describe a sequence of transformations from the original figure to the new figure.
The original figure translated 6 units horizontally and reflected over the x-‐axis.
Problem 10: Translate the image 4 units vertically and 1 unit horizontally. Then reflect the image across the y-‐axis.
Solution: