In 3x - 893, what is the variable, numerical coefficient and constant?
x = variable, 3 = numerical coefficient, -893 = constant
In the ordered pair (3,5), what is the number you would put on the x-axis?
3
y = 3x + 45 and x = 4. What is y?
57
Estimate a value beyond it's given set of values.
Extrapolate
The coordinates of a graph are as follows: 2,2, 4,4 6,6 8,8. Is this a linear relation?
Yes
6x = 36. What is the value of x?
6
Which quadrant is (-10,7) in?
Quadrant II (2)
A statement that two mathematical expressions are equal and have the same value.
Equation
Halley's comet appears approximately every 76 years, since the year 1758. What year will it be when it appears for the 3rd time, including the sighting?
1910
(22,55), (88,165), (166,205), (44,110). Is this a linear relation?
No
x = 9. Solve 9x-76+6.
11
Write the 5 coordinates shown below.
(1,10) (2,20) (3,30) (4,40) (5,50)
A school pays $75 to design a new logo. It costs an additional $25 to make each jersey with this new logo. What is the linear relationship described here?
y = 25x + 75
A school pays $125 to design gym T-shirts. It costs an additional $25 to make each T-shirt. How much would it cost to make 25 T-shirts?
$750
A relation that appears as a straight line when graphed.
Linear relation
If X = 122 and Y=153, what is 3x + 4y?
978
Sarah bought a car in 2019 for $24,000. By 2024, its value was $19,700. Describe how the value of x and y changed.
x = year (increased by 5), y = value (decreased by $4300)
If x = 50, solve 50x. What is y?
2500
A landscaper is planting elm trees along a street in a new subdivision. If elm trees need to be spaced 4 meters apart, then how long is a row of 98 elm trees?
392 meters
An equation whose graph is a straight line.
Linear equation
Create an equation where x = variable, 12 = constant, and 154 = numerical coefficient.
154x - 12 (or 154x + 12)
In the relationship y = 2x + 3 , what would the value of x be if y = 21?
9
If 78y = 3x, then what is x? Your answer can include a variable.
x = 26y
Janice left the school at 12 noon riding her bike at 20km/h. Flora left school at 12:30 riding her bike at 24km/h. What distance would each girl reach after 5 hours of riding?
Janice = 100 km. Flora = 120 km.
X = 1, 2, 3, 4, 5. Y = 3, 6, 9, 12, 15. What is the linear relationship?
y = 3x