Simplify
83 x 85
88
Convert to scientific notation
450,000
4.5 x 105
find the slope
y = 5x + 8
5
find the y-interceopt
y=3x-9
-9
solving a system of equations gives us the?
intersection point
Simplify
170
1
convert to an integer
8.24 x 107
82,400,000
Find the slope:
2x + 5y = 10
2/5
find the slope
y=3x+2
3
is (3,6) a solution to this system of equations?
x+y=9
2x - y =0
yes
Simplify
3-5
1/35
Convert to scientific notation
.000000093
9.3 x 10-8
Find the slope:
(3,5) & (2,8)
-3
find the y-intercept
y-4 = 2(x-4)
4
the method we use to solve a system of equations
substitution
Simplify
(42 x 43)/(43 x 42)
1
Solve and keep in scientific notation
3.23 x 104 + 5.6 x 103
3.79 x 104
find the slope:
(2.5,7.4) & (3.5, 9.6)
2.2
Find the y-intercept
y-7=1/2(x-14)
0
how many solutions to this system of equations?
y = 2x + 10
5y = 10x + 100
infinite
Simplify
(75 x 7-2)/(73 x 7-5)
75
Solve and keep in scientific notation
6.78 x 109 - 4.62 x 109
2.16 x 109
find the slope and y-intercept of the line passing through points (4,8) & (6,4)
slope = -2
y-intercept = 16
find the slope and y-intercept of the line passing through points (3,7) & (6,14)
slope = 7/3
y-intercept = 0
solve this system of equations
x = 3y
4x - 2y = 10
(3,1)