Solve using substitution for x
Y = 4X
8x−4y= -40
x=5
Which is not a function
y = 3x
x = 5
x = 5
Solve for x
x-13 = 99
x= 112
Domain
The slope of 4/0 is considered
Undefined
The points in which 2 lines intersect is called the
SOLUTION
If f( x) = 2x-3, what is the value of f ( 2 )
A number divided by 3
n/3
All the y values in a function are known as the
Find the change in y values . y1-y2
( 4, 7) ( 8, 9)
Change in y= -2
Solve using substitution for y
x+y = 12
x= 5
y = 7
If f( x) = 3x+12 what is the value of f ( -4)
Solve
50x+ 30 =180
x = 3
Let S = sayraf
Sayraf had 10 times as many markers as Mr. C
(What is the equation)
10s
What is the slope from these points
( 8, 6)
( 9, 2)
m = -1/4
How many solutions does this linear system have
y= 2x-3
y =-3x+1
Exactly one
Is it a function , yes or no
{(−4,−4),(0,4) }
Yes
Write the equation
The product of 2 and the difference of a number and 1.
2(x-1)
a = c/d
Solve for d
d =c/a
Find the equation of the line in slope-intercept form
( 5, 4) ( 7, 8)
y = 2x-6
Solve
y+x = 2
5x+3y= 14
x= 4
y = -2
if f( x) = x2- 16 what is the value of f( -4)
0
13= 3-5/6a
a is in the numerator
a= -12
Solve the equation for y
5x-y= 3
y=-3x+5x
What is the equation of the line that passes through the point (5,4) and has a slope of 6/5
y= 6/5X-2