Linear Equations
What is the X-intercept in Y=8x-4?
x=8x
witch system is consistent or inconsistent and if it is independent or dependent ?
y=-2x+3
y=x-5
since the graphs of these two lines intersect -at one point there is exactly one solution there the system is consistent independent .
Keith has 500 in a savings account at the beginning of the summer. He wants to have at least $200 in the account by the end of the summer. He withdraws $25 each week for food, clothes, and movie tickets.
How many weeks can Keith withdraw money from his account? Justify your answer.
The number of weeks that Keith can withdraw money from his account is 12 weeks or less.
Write an equation of the line through the points (2,-3) and (-1,0)
y=-x-1
Graph y=7x . find the Y-Intercept
0,0
what is the slope in Y=1/2x+3 ?
slope = 1/2x
determine the solution of the equation if it has a solution name it ?
y=-3x+10
y=x-2
the graph appears to intersect at the point
(3,1)
Yellow Cab Taxi charges a $1.75 flat rate in addition to $0.65 per mile.. Katie has no more than $10 to spend of a ride.
How many miles can Katie travel without exceeding her budget?
Since this is a real world problem and taxi's usually charge by the mile, we can say that Katie can travel 12 miles or less before reaching her limit of $10
Solve (2x-5) =3
x=4,1
What is the Domain of Y=7x
7x
what is the y-intercept the in the equations y=5x+2?
y=2
what is the solution of the equation if it has one name it ?
2x-y=-1
4x-2y=6
the line have the same slope but different y-intersect so the lines are parallel since they do not intersect there is no solution of this system this system is inconsistent .
Sam and Alex play in the same soccer team. Last Saturday Alex scored 3 more goals than Same, but together they scored less than 9 goals. What are the possible number of goals Alex scored?
Sam scored less than 3 goals, which means that same could have scored 0,1,or 2 goals.
Alex scored 3 more goals than same did, so Alex could have scored 3,4, or 5 goals.
7x-3(x-2) = 2(5-x)
x=2/3
What is the Range of Y=7x
0
what is the slope of y=6x-5?
M=6x
Of 8 pups, there are more girls than boys.
How many girl pups could there be?
So there could be 5,6,7 or 8 girl pups.
Solve the System:
x-2y = -2
-2y -y =-2
(4,-6)
The equation of the Asymptote of Y=7X
Y=0
what is the slope of y= 6+3(8x+1)+(8x)
x=8x
Joe enters a race where he has to cycle and run. He cycles a distance of 25 km, and then he runs 20 km. His average cycling speed. Joe completes the races in less than 2 in a half hours, what can we say about his average speeds?
Find the y-intercept of the 3y-x=-2
(0,4/3) (-4,0)
List the points of Y=7x
-7,-1 -3,-2.333 -2,-3.5