Expression/Equation
What are the number of solutions fo the given situations?
-same variable;different number
-same variable;same number
-different variables
-no solutions
-infinite solutions
-one solution
Describe a non-function.
A data set where every value of y has more than one value of x; The x value repeats
The amount or space that a substance or object occupies is called what?
Volume
When the first values on a scatter plot increase as the second values decreases, it is called what kind of association?
Negative association
Describe an Rational Number.
A number that when in decimal form reapeats a pattern or terminates
What is the slope of the given expression?
2y+16=X
The slope is 1/2
Which expressions describes a linear function? Select all that
A.) y=x3-16
B.) y=6x
C.) 2y+48=2x
D.) 2y2=48x
B.) & C.)
Which series of transformations would result in a congruent image? Select all that apply
A.) translation 4 units to the left followed by a rotation at a scale factor of 2.
B.) dilation by a scale factor of 1/2 followed by a 90* rotation
C.) a reflection across the x-axis followed by a translation 5 units to the right
A, C
30 people in a study were asked if they eat breakfast on a daily basis, and whether they have lost weight in the last month. The results are summarized in the table below. What is x?
Breakfast No Breakfast
Lost weight: 10. 5
Did not lose: 7. X
X=8
Label each as Rational or Irrational
Pi
5
Square Root of 4
Square Root of 7
1.333333......
2.5
Irrational
Rational
Rational
Irrational
Rational
Rational
What is 3.5% of 8x1011 ?
A.) 2.8x1010
B.) 2.8x1011
C.) 4.4x1010
D.) 4.4x1012
A.) 2.8x1010
A function is graphed on the coordinate plane, the line for this function is curved. Which statements correctly describe the function?
A.) it is linear
B.) it is nonlinear
C.) it is increasing at a constant rate
D.) it is both increasing and decreasing
B.)
The longest side of a right triangle is 5 cm. The shortest side is 3 cm. What is the length of the missing side?
4 cm
Data was collected about children’s ages and heights. The data can be summarized by the h=9/5a+40 , where h is a child’s height in inches and a is the child’s age in years. According to this model, how many inches is a child expected to grow each year? Write your answer as a decimal number.
1.8 inches
Between which two consecutive rational numbers does each irrational number fall? Choose two consecutive rational numbers for each irrational number.
Square root of Pi
square root of 5
Square root of 17
Square root of 30
Square Root of 2=1&2
Square root of 5=2&3
Square root of 17=4&5
Square root of 30=5&6
What is the solution in x3=3375
X=15
Company A sells 500 pencils for $150.The equations y=.15x represents the cost of buying x number of pencils from Company B.
-Which Company’s price is lower?
-The price at Company A is how many times the price of Company B?
Company B; two times
Three points form a right triangle. From the pond to the nest is 5 units. From the Nest to the tree is 10 units. If each unit represents 2 miles what is the distance in miles if you go diagonally from the tree to the pond? Round to the nearest tenth of a mile
22.4 miles
For a year, Charlie records the balance of his checking account at the end of each month. His data can be represented by a linear model,
y = 325+65.50x, where x is the number of months, and y is the account balance.
Fill in the blanks with the values that correctly complete the statement. Based on the linear model, Charlie began with $_______ in his checking account, and the balance of his checking account increases by $_______ each month
$325 to begin with, $65.50 each month
In February 2005 the national debt was 7.635x1012 and the U.S. population was 2.956x108. What was each persons share of the debt at the time? Round to the nearest whole dollar if necessary.
$25,829
Which of the following equations are true? Select all that apply.
A. 3-3× 35= 32
B. 36× 3-2= 3-3
C. 34 × 32 = 36
D. 3-2× 3-2 = 1/81
E. 32 x 32 = 30
A, C, D
What is the initial y-value for the given points (2, 0) and (6, 32)?
Three towns, A, B, and C, can be considered as the vertices of a triangle.
• The distance from town A to town B is 224 miles.
• The distance from town B to town C is 260 miles.
• The distance from town A to town C is 132 miles.
Use the information given to determine the following:
What is the length of the hypotenuse?
Do the towns connect to create a right triangle?
260 miles; yes