3x+5x=
8x
x+7=15
Solve
x=8
solve f(x)=2x+1 for f(3)
f(3)=7
y=4x+6
What is the slope?
4
Solve
x+y=8
x=3
(3,5)
x^3*x^4=
x^7
4x-9=19
Solve
x=7
Is this a function (1,2), (2, 4), (3,6), (1,8)
No (1 is repeated)
f(x)=-2x+9
What is the y-intercept
9
Solve
x+y=10
x-y=2
(6,4)
(x+5)(x+2)
Expand
x^2+7x+10
3(x-2)=18
x=8
find the slope (2,5) (6,13)
2
Write the equation of the line with a slope of 3 and y intercept of -2
y=3x-2
Solve
2x+y=7
x+y=5
(2,3)
x^2+9x+20
Factor
(x+4)(x+5)
5x-7>18
x>5
find f(x)=x^2-4 for f(-3)
5
Find the equation of the line with point (0,5) and a slope of -1
y=-x+5
Solve
3x-y=11
x+y=5
(4,1)
2x^5 y^3/4x^2 y
x^3 y^2/2
2(x+3)-4=x+8
x=6
what is domain of
f(x)=3x-2
all real numbers
Find the slope of the line with the points
(-2,4) and (3, -6)
-2
Solve
2x+3y=13
x-y=-2
(1,3)