Slope-Intercept
What does the m signify in y=mx+b?
A. Input
B. Output
C. Slope
D. y-intercept
C. Slope
Round the following number to the nearest hundredth:
3.14159
3.14
Kerry walks 3 miles each day. How far will she walk in 7 days?
A - 10 miles
B - 14 miles
C - 21 miles
D - 24 miles
C - 21 miles
A set of nine data points is shown below:
8, 11, 12, 10, 9, 7, 5, 3, 9
Which statement is true if a tenth data point of 45 is added to the data set?
A - The mean and median will both increase
B - The mean will increase and the median will decrease
C - The mean will increase and the median will remain the same
D - The mean and median will both decrease
C - The mean will increase and the median will remain the same
Sophia, Querieo (Q), Eli
What does the b signify in y=mx+b?
A. Input
B. Output
C. Slope
D. y-intercept
D. y-intercept
In what place is the number 1 in the following number:
0.000100
A - Hundredths
B - Thousandths
C - Ten Thousandths
D - Hundred Thousandths
C - Ten Thousandths
The function f(x) = –0.25x + 5 models the height of a candle x seconds after it is lit. What is the meaning of the y-intercept of the function?
A - the initial height of the candle
B - the final height of the candle
C - the rate at which the candle is burning
D - the amount of time it will take the candle to burn
A - the initial height of the candle
Two functions are shown below:
f(x) = 3x + 7
g(x) = 2x + 12
What is the value of x where the graphs of f(x) and g(x) intersect?
A. -22
B. -5
C. 5
D. 22
C. 5
What country was Mr. Porter born in?
England (United Kingdom)
What is the slope of the following equation?
y= 8x - 3
8
Round to the nearest thousandth:
2.71828
2.718
What is the value of x in the system of equations shown below?
5x + 4y = 1
y = 1 - x
x = -3
Karen has two dogs. The larger dog weighs 1.4 pounds more than the smaller dog. The combined weight of the two dogs is 12.6 pounds. What is the weight, in pounds, of the smaller dog?
5.6 pounds
How many kids does Mrs. Mabe have?
3
What is the y-intercept of the following equation?
y - 5 = 2x
5
Round to the nearest hundredth:
5.0957
5.10
A line, y = mx + b, passes through the point (1, 6) and is parallel to y = 4x + 6. What is the value of b?
b = 2
Abby scored 87, 93, 96, and 89 on her first four history quizzes. What score does Abby need to get on her fifth quiz to have an average of exactly 91 on her history quizzes?
A - 90
B - 94
C - 98
D - 100
A - 90
What school was Mrs. Mabe teaching at directly before coming to Conley?
JP2
What is the slope of the following equation?
x = 0
A. 0
B. 1
C. -1
D. Undefined
D. Undefined
Round to the nearest integer:
35.8104
36
The total cost, in dollars, of membership in a fitness center is given by the function c(m) = 20m + 40, where m is the number of months a person is a member. In dollars, how much is the cost of a membership for 1 year?
$280
A function is shown below. g(x) = 19.60 + 1.74x What is the value of g(30)?
71.8
Name one of the universities that either Mrs. Mabe or Mr. Porter attended
UNC and ECU