Unit 1 one step equations
m+12=10
m= -2
-88 = -3(4m+5)-(1-3m)
m=8
f(3)
= -11
What is the equation of the line that passes through the point(-2,7) and is PARALLEL to the line y= -4x +1
y=-4x-1
The sum of two numbers is 32, and their difference is 18. Find the two numbers
25 and 7
-7y = -91
y= 13
|r+9|=4
r={-13,-5}
h(2)
= 1
PARALLEL question
(-4,-1); y=2x+4
y= 2x+7
The difference between two numbers is 6. The first number plus twice the other number is 39. Find the two numbers
17 and 11
-1/2m = -9
m= 18
|2v-1|=17
v={-8,9}
g(0)
= 1
PARALLEL quesion
(4,5); x-2y=14
y= 1/2x +3
The sum of two numbers is 25. One number is twice the second number plus seven. What are the two numbers?
19 and 6
13= -4k + 9
k= -1
The larger of two numbers is nine less than four times the smaller number. If the sum of the two numbers is 76, find both numbers.
17,59
f(2-k)
-2+5k
PERPENDICULAR question
(-3,-2); y=x-2
y=-x-5
The cost of 4 boxes of pens and 3 boxes of pencils is $22.55. The cost of 3 boxes of pens and 2 boxes of pencils is $16.45. Find the cost of each.
$4.25/box pens
$1.85/box penclis
15 = 9 - 1/2 x
-12 = x
14w -2(1-w) =2(5w-1)
w=0
g(9)+h(-14)
= 15
PARPENDICULAR question
(2,3); 2x+10y=20
y=5x-7
At a sale on candles, Lexi bought two large candles and five small candles and paid $30. Carl bought one large candle and three small candles and paid $16.75. Find the cost of each.
$6.25/Large candles
$3.50/Small candles