See which choice fits the data.
try 3x - 4
x = -2, f(x) = -3-4 = -7
x = 0 ,1 and 2 also fit so answer is A.
No, it would only work with similar terms. However, you would be able to multiply them, like 2x times 2y = 4xy.
Solve it using elimination method:
5x+3y=-10
3x+5y=-6
Essentially what you would want to do is eliminate a variable so you have to multiply the two equations so that the two “y”s cancel each other out. You do this by multiplying one by a negative number and the other one a positive number. Doesn’t matter what number you multiply the number with; however, both numbers need to be the same distance away from zero. Also, if you’re going to multiply one term, then all the terms will need to be multiplied.
-5(5x+3y)=-10
3(3x+5y)=-6
Distribute and Multiply:
-25x-15y=50
9x+15y=-18
Now add the two equations by adding the x’s together, y’s, and the total.
The y’s end up canceling each other.
-16x=32
Divide:
X=-2
Now that you have “X” substitute x from one of the equations from the beginning. You may do two for checking answers.
3(-2)+5y=-6
-6+5y=-6
5y=0
Y=0
The answer is:
x=-2
y=0
(-2,0)
Complete question :
At 10:00 am, Han and Tyler both started running toward each other from opposite ends of a 10 mile path along a river. Han runs at a pace of 12 minutes per mile Tyler runs at a pace of 15 minutes per mile how far does Han run after a half hour
Answer:
2.5 miles
Step-by-step explanation:
Given :
Distance between Horn and Tyler = 10 miles
Horn's pace = 12 minutes per mile
Tyler's pace = 15 minutes per mile
Horn's distance after half an hour :
Time = Half an hour = 30 minutes
Horn's speed = distance / time
Horn's speed = 1 mile / 12 minutes = 0.83333 miles per minute
Hence, Horn's distance after half an hour :
Distance = speed * time
Distance = 0.83333 miles per minute * 30 minutes
Distance = 2.5 miles
