Writing Equations WORD
Similar Triangles
Calculating Slope
More Writing Equations
Unit Rate/Proportions
100
A pizza delivery company charges a $4 delivery fee and $9 per pizza. Which equation best represents the equation formed by this relationship?
A) y = -4x + 9
B) y = 4x + 9
C) y = 9x + 4
D) y = -9x - 4
C) y = 9x + 4
100
Two triangles that are formed by the same straight line create slopes that are...
A) Congruent to each other
B) Different Sizes
C) Perpendicular to each other
A) Congruent to each other
100
What is the slope of these two points? (-2,3) (8,-6) Hint: Use the formula
A) -9/10 C -3/10
B) 10/-9 D -1/2
A) -9/10
100
Write the equation formed by the following proportional table.
y = 2x
100
Is this graph proportional or non-proportional?
Proportional
200
Which letter correctly stands for slope and y-intercept?
A) m = y-intercept, b = slope
B) m = slope, b= y-intercept
B) m = slope , b = y-intercept
200
Two similar triangles on the same line have the same slope. True or False?
True
200
What is the slope of the table in its most simplified form?
4/6 which simplifies to 2/3 or 0.666666
200
Write the equation formed by the following two points: (-8, 2) (0, 10)
y = -x + 10
200
Is the table proportional or non-proportional? Hint: use y/x
Non-proportional
300
Ms. K had a bunch of kitkats in her room. She starts with 270 kitkats and gives away 30 per class period to her students. Which equation best represents this relationship?
A) y = 30x + 270
B) y = -270x - 30
C) y = 270x - 30
D) y = -30x + 270
D) y = -30x + 270
300
Which proportion shows two similar right triangles?
J) The slopes are both -3/4 when simplified
300
What is the slope of the table?
m = -3/2x OR -1.5
300
What is the equation of the table?
y = -3/2x + 11.5 OR
y = -1.5x + 11.5
300
What is the unit rate of the table? Hint: Use y/x
The unit rate is 3/2 or 1.5
400
Some students decide to sleep in class sometimes. If a student has 180 minutes of math class in a week and loses about 90 minutes per week sleeping, how long before they don't learn anything? Write the equation.
A) y = 90x + 180
B) y = -90x + 180
C) y = 180x + 90
D) y = -180x - 90
B) y = -90x + 180
400
If the two triangles are similar, which statement is true?
A) The slope of HK is less than PK
B) The slope of HK is greater than PK
C) The slope of HK is equal to PK
D) The slope cannot be determined
C) The slope of HK is equal to PK
400
What is the slope of the graph? Most simplified version.
m = 4/6 or m = 2/3 or 0.666666
400
What is the equation of the graph?
y = -1/2x + 3
or y = -0.5x + 3
400
What is the unit rate of the graph?
15 miles per gallon
500
The CareBears give about 50 hugs a day. They want to give as many hugs as possible. Is this a proportional relationship or non-proportional, and what is the equation?
A) Non-proportional, y = -50x
B) Non-proportional, y = 50x
C) Proportional, y = -50x
D) Proportional, y = 50x
D) Proportional, y = 50x
500
Which proportions are equal because they form two similar right triangles with the slope -3/4?
H) because both slopes simplify to -3/4
IT IS NOT F because -4/3 is not the same as -3/4
500
What is the slope of the graph?
m = 2/5 OR
m = 0.4
500
What is the equation of the line on the graph?
y = -1/2x - 1/2
or y = -0.5x - 0.5
500
What is the unit rate of the graph?
70/12 = 5.8333333 alligator attacks per crocodile attack