Writing Equations
Write the equation in slope-int. form when
m = -4
b = 1
y = -4x + 1
Sketch the graph of
y = 1x + 1
Show Dr. Raines your sketch.
y = - 2x -1
-4x + 6y = 42
(-3, 5)
4x + 8y = 20
−4x + 2y = −30
(7, -1)
In basketball how many players are on the court at the same time?
10
Write the equation in slope-int. form when,
m = -3/4
(0, 8)
y = -3/4x + 8
Sketch the graph of
4x - 3y = -12
Show Dr. Raines your sketch
2x − 3y = −1
y = x − 1
(4, 3)
−6x + 5y = 1
6x + 4y = −10
(-1, -1)
What is the largest mammal?
Blue whale
Rewrite in Standard Form,
y = 2x + 3
2x - y = -3
Solve the system of equations by graphing
y = 3x - 2
y = -3x + 4
(1, 1)
y = 5x − 7
−3x − 2y = −12
(2, 3)
−2x − 9y = −25
−4x − 9y = −23
(-1, 3)
In what city can you find the Eiffel Tower?
Paris
Rewrite in Standard Form,
y = 4/5x - 8
4x - 5y = 40
Solve the system of equations by graphing
y = -3/5x + 3
3x - 5y = -15
(0, 3)
−7x − 2y = −13
x − 2y = 11
(3, -4)
7x + 2y = 24
8x + 2y = 30
(6, -9)
What iconic company did Steve Jobs start?
Apple
Write the equation passing through the given points in point-slope form.
(5, 2) & (3, -2)
y - 2 = 2(x - 5)
or
y + 2 = 2(x - 3)
Solve the system of equations by graphing
y = x + 5
x - y = 4
no solution
x + 3y = 1
−3x − 3y = −15
(7, -2)
−x − 5y − 5z = 2
4x − 5y + 4z = 19
x + 5y − z = −20
(-2, -3, 3)
What galaxy do we live in?
Milky Way