Real Number System
What is the set of all rational and irrational numbers?
The Real Number System
Simplify.
3(x+4)
3x+12
What is the slope of a line that rises 2 units for every 3 units it runs?
2/3
Solve: (x + 3 = 7)
x = 4
Kaden says the number 13 is an irrational number. Which statement best explains whether Kaden is correct?
A. Kaden is correct because 13 only has 2 factors.
B. Kaden is correct because 13 is not written as a fraction.
C. Kaden is incorrect because 13 only has 2 factors.
D. Kaden is incorrect because 13 can be written as a fraction.
D
Identify a number that can be expressed as a fraction of two integers
rational number
Solve for x.
2x+5=15
x = 5
Is the following relation a function: {(1, 2), (1, 3), (2, 4)}? Why or why not?
no, because 1 has two outputs
Simplify: (2(3x + 4) - 5)
6x + 3
Thecost for a pizza at Pizza Palace depends on the size of the pizza and the number of toppings. For a large pizza, the cost in dollars, c, with t number of toppings can be determined with the equation c =2t + 18. What does 2 represent in the equation?
A. the radius of a large pizza in inches
B. the cost to add one topping to a large pizza
C. the cost of a large pizza without any toppings
D. the number of toppings on a large pizza with a cost of $18
B
What makes a number irrational?
it cannot be written as a fraction
What is the first step in solving the equation
4x - 2 =10?
adding 2 to both sides
What does the vertical line test determine?
What is whether a graph represents a function
Find the slope of the line given by the equation (y = 4x + 1).
m = 4
Thelinear function y =14x + 22 represents the cost in dollars, y, to camp at a park for x nights. What is most likely represented by the y-intercept of the function?
A. the number of nights spent camping
B. the cost per night to camp at the park
C. thenumber of people camping
D. thecost of a one-time fee for a camping permit
D
Name the set of numbers that includes integers, whole numbers, and natural numbers
Rational Numbers
Simplify the expression.
5a - 2a + 4
3a + 4
In what form is the equation written in (y = 2x + 3)?
Slope-Intercept form
Determine if the following set is a function: {(3, 5), (4, 5), (3, 6)} Why? or why not?
Which expression is equivalent to 54•53?
A. 57
B. 512
C. 257
D. 2512
A
Classify the number -7.5
rational
Solve for x.
3(x -1) = 2(x+3)
x=5
In the equation y =mx+b, what letter represents the slope?
m
If a line passes through the points (2, 3) and (2, 5), what is the slope?
undefined
A system of equations is shown. What is the solution?
x = -4y+10
3x + 12y = 20
no solution