What is a1 called?
(-3, 7) and (2, 8)
What is the slope?
1/5 or 0.2
Solve the systems of linear equations by graphing:
y=1/4x-2
and
y=3/2x+3
(-4, -3)
What is the slope of a line parallel to
y=1/2x-5?
m=1/2
10x + 3y -5x + 2y
5x + 5y
3072, 768, 192, 48,...
What is the common ratio (r) in the sequence above?
r=1/4
Two lines that have the same slope are called:
Parallel
What is the solution?
(-1,1)
Two lines are perpendicular if they have _______ ________ slopes.
Opposite reciprocals or Negative Reciprocals
Solve for x:
2(x + 3) + 1 = 33
x = 13
__, 12, 24, 48, 96...
What is the missing term?
6
Given the function below, what is f(0)?
f(x)=1/3x+9
9
Solve the systems of equations:
y=-2x-9
and
y=1/2x-3/2
(-3,-3)
What is the slope of a line perpendicular to
y = 4x + 4
m= -1/4
What is the name of the shaded area on this graph?
Solution Set
1, 3, 9, 27...
What is the equation for an?
an = 1(3)n-1
The slope of a line that passes through
(5, 4) and (5, -8)
Undefined
How many solutions are there?
No Solution
Are these Parallel, Perpendicular, or Neither:
y=2/3x-1
and
y=-2/3x+4
Neither
Convert to slope-intercept form:
8x-2y=32
y=4x-16
3072, 1536, 768, 384, . . . .
What is the 9th term?
12
Convert the equation to slope-intercept form:
2x+3y=9
y=-2/3x+3
Solve the systems of equations:
y = 2x - 5
2x - y = 5
Infinitely many solutions
Write the equation of a line that passes through (3,5) and is perpendicular to
y = -5x + 10
y=1/5x+2
Ms. Miller went to Dunkin Donuts and bought one coffee and a bagel, her total was $7.
Ms. Johnson went also and bought 2 coffees and 3 bagels and spent $18.
Write a system of equations for this situation.
x+y=7
2x+3y=18