Pythagorean Theorem
Find the leg if
leg = 9 in and hypotenuse = 12 in
What is 8 in?
Find the distance between (1,5) and (9,5)
What is 8?
Is this a function?
{(1,2), (3, 4), (5, 7), (3, 8)}
No
Find f(4) if f(x) = x + 2
State the slope-intercept equation for a linear function.
y = mx + b
Find the hypotenuse if
leg = 12 ft and leg = 16 ft
What is hypotenuse = 20 feet?
Find the distance between (-3, -1) and (8, 0)
What is 11?
Is this a function?
input: output:
3 5
4 7
7 5
Yes
What is f(-3) when f(x) = -x + 4
f(-3) = 7
What are the slope and intercept of the equation y = -2x + 4?
What are the slope and intercept of the equation y = 2/5x - 3?
The slope is -2 and the y-intercept is 4
The slope is 2/5 and the y intercept is -3
Find the missing leg if
leg = 21 cm and hypotenuse = 35 cm
What is 28 cm?
Find the distance between (9,-3) and (4,4)
What is between 8 and 9?
Is a horizontal line representing a function?
Yes
Evaluate g(5) if
f(x) = 2x + 3
g(x) = 4x - 3
g(5) = 17
Find the equation of a line that passes through the points (0, -4) and (7, 10)
y = 2x - 4
Find the hypotenuse if
leg = 10 in and leg = 6 in
What is between 11 and 12 inches?
Find the distance between (121, 145) and (123, 152)
What is between 7 and 8?
What is a function?
A function is a relationship in which each value of the domain has exactly one output in the range.
Evaluate h(4) if
f(x) = 4x + 3
g(x) = x2+3
h(x) = x2 + 2x
h(4) = 24
Describe the lines that are represented by
y = 6x + 7
x = 4
y = 5
1. A steep line going up and crossing at 7
2. a vertical line at 4 on the x axis
3. a horizontal line at 5 on the y axis
Find the hypotenuse if
leg = 13 ft and leg = 17 ft
What is hypotenuse is between 21 and 22?
Find x if the distance between (1,2) and (x, 7) is 13 units.
What is x = -11 or x = 13?
Define the terms:
range, domain, y-intercept, function notation, vertical line test
Good job
Evaluate h(5), f(-3), and g(4) if
f(x) = 4x + 3
g(x) = x2+3
h(x) = x2 + 2x
h(5) = 35
g(4) = 19
f(-3) = -9
Find the slope of a line that passes through the points (9, 3) and (12, 5)
The slope is 2/3