this is a practice final exam, if you finish this before the final I will give you extra credit
this test includes problems that you will see.
this is a practice final exam, if you finish this before the final I will give you extra credit
this test includes problems that you will see.
1 point
1
Question 1
1.
LT 1A: I can write and interpret algebraic expressions.
Jacky is buying watermelons, pineapples, and coconuts to make a fruit salad. Watermelons cost $1.29 per pound, pineapples cost $2.19 per pound, and coconuts cost $1.75 per pound.
Write an expression to represent the total cost Jacky will pay for these fruits.
Define your variables: Watermelons: _______ Pineapples:_______ Coconuts: _______.
The expression that represents the total cost is _______.
The coefficient $1.29 represents _______.
1 point
1
Question 2
2.
LT 1B: I can write and solve linear equations.
Jenny and Sam are at a summer carnival. Jenny buys 12 raffle tickets. Sam buys ice cream for $3 and 10 raffle tickets. They both end up spending the same amount of money.
Write and solve an equation to determine the cost of a raffle ticket.
The equation is _______.
Each raffle ticket costs _______.
1 point
1
Question 3
3.
LT 1C: I can solve an equation for a given variable.
Josh is talking on the phone to his friend Greg who lives in Europe. Greg is used to
describing temperatures in °C, while Josh is used to describing temperatures in °F.
Greg can use the formula above to quickly convert the temperatures Josh describes to °C.
Rewrite the formula in terms of F so that Josh can quickly convert the temperatures that
Greg describes to °F.
1 point
1
Question 4
4.
LT 1D: I can write and solve linear inequalities.
Alan is selling bags of chips to save for a trip. He already has $34 and is selling the bags of chips for $1.50 each.
Write and solve an inequality to determine how many bags of chips he needs to sell to earn at least $250.
The written inequality is_______.
Alan must sell at least _______ bags of chips.
0.25 points
0.25
Question 5
5.
LT 2A: I can represent relations and functions through various methods.
Directions: Express the following relation as a table, a graph, and a mapping diagram. The relation represents the grade level of students and the number of stickers they have collected.
This relation _______ a function because _______.
0.5 points
0.5
Question 6
6.
LT 2B: I can apply and model with function notation.
WRITE YOUR ANSWER IN FUNCTION NOTATION.
0.5 points
0.5
Question 7
7.
LT 2B: I can apply and model with function notation. MAKE SURE YOUR ANSWER IS IN FUNCTION NOTATION.
0.25 points
0.25
Question 8
8.
LT 2C: I can use function notation to graph functions.
Directions: Complete the table of values to help you graph the following function.
0.25 points
0.25
Question 9
9.
LT 3A: I can determine the rate of change and slope in linear relationships.
Find the rate of change represented in this table of values. Simplify.
0.25 points
0.25
Question 10
10.
LT 3B: I can graph a linear function using intercepts.
Graph the following linear function by finding its intercepts:
The x-intercept is_______.
The y-intercept is_______.
0.25 points
0.25
Question 11
11.
3C: I can write and graph a linear function in slope-intercept form.
Directions: Write AND graph a linear function in slope-intercept form from the given scenario.
An investor invests $600 in a certain stock. The value of the stock has increased at a rate of $40 per month.
The linear function is _______ .
0.25 points
0.25
Question 12
12.
3D: I can write and graph linear inequalities.
Directions: Write AND graph a linear inequality from the given scenario.
Kim wants to spend at least $60 on gifts for her friends. Each gift will cost her $15 plus $6 to gift wrap it.
The written inequality is_______.
1 point
1
Question 13
13.
Match each vocabulary word with its definition.
Draggable item
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Corresponding Item
Variable
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The parts of an expression that are added or subtracted.
Like Terms
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A symbol for a value we do not know yet. It is usually a letter like x or y.
Inequality
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Operations that undo each other.
Operation
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A value for a variable that makes an equation true.
Solution
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A number that is multiplied by a variable.
Terms
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A mathematical sentence that uses the equal sign to show two expressions are equivalent.
Expression
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A mathematical process such as adding, subtracting, multiplying, and dividing.
Inverse Operations
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These have the same variables raised to the same exponents.
Equation
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A mathematical phrase that contains operations, numbers, and/or variables.
Coefficient
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A fixed value. A value that does not change.
Constant
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A statement that compares two expressions by using one of the following signs:
1 point
1
Question 14
14.
Match each vocabulary word with its definition.
Draggable item
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Corresponding Item
Linear Function
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A relation in which every domain value is paired with exactly one range value.
Range
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A function that does not form a straight line when graphed.
Input
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A test used to determine whether a relation is a function. If any vertical line crosses the graph of a relation more than once, the relation is not a function
Non-Linear Function
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A value that is substituted for the independent variable in a relation or function
Vertical Line Test
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The result of substituting a value for a variable in a function.
Function Notation
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The input of a function; a variable whose value determines the value of the output, or dependent variable.
Relation
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A function that can be written in the form f(x)=mx + b. Its graph is a straight line.
Domain
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A set of ordered pairs.
Function
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The set of all second coordinates (or y-values) of a function or relation.
Output
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The set of all first coordinates (or x-values) of a relation or function.
Independent Variable
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The output of a function; a variable whose value depends on the value of the input, or independent variable.
Dependent Variable
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If x is the independent variable and y is the dependent variable, then the function notation for y is f(x) , read “f of x,” where f names the function.
1 point
1
Question 15
15.
Match each vocabulary word with its definition.
Draggable item
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Corresponding Item
x-intercept
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A ratio that compares the amount of change in a dependent variable to the amount of change in an independent variable.
Slope-Intercept Form
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A measure of the steepness of a line.
Rate of Change
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y = mx + b, where m is the slope and b is the y-intercept
y-intercept
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Ax + By = C, where A, B, and C are real numbers and A and B are not both 0.
Standard Form
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The x-coordinate(s) of the point(s) where a graph intersects the x-axis.
Rise
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The y-coordinate(s) of the point(s) where a graph intersects the y-axis.