Orthonormal System
what is the y intercept in the equation y=-4x-5
-5
solve the system of equations : x+y=4 and 2x-y=2
(3,1)
what is the simplest form of 18/72
1/4
A T-shirt is 40$. There is discount 50%. What is its new price?
20$
solve : 2x-3=17
x=10
what is the coordinates of the midpoint of the line joining A(3,-2) and B(1,2)
(2,0)
solve the system of equations: x=4 and 2x-y=3
(4,5)
solve: 4/3+7/9
19/9
A car is 3000$. It is reduced by 20%. What is its new price?
2400$
simplify: 9z -4 +13p -12z -7p +5
-3z +6p +1
what is the slope of line (AB). Given A(1,2) and B(-1,4)
-1
solve the system of equations: x-3y=4 and 2x-y=8
(4,0)
2(7/4)+3(5/12)
19/2
A house is being rented at a cost of 400$. House prices is decreased 10%. What is the new renting price?
360$
find the value of 3x2 +2x -5 when x=3
28
Are these two lines parallel, perpendicular, or none. y=0.5x+1.75 and y-2x=-4
none
solve the system of equations: 2x-4y=8 and x-2y=3
no solution
24/13 * 65/6
20
The new price of a car is 4000 after a decrease 20%. What was its original price?
5000$
factorize -4y+24
-4(y-6)
what is the abscissa of the point found on the line y=-2x+5 having ordinate 4
1/2
solve the system of equations: 2x-y-3=2 and 3x=4y+3
(17/5, 9)
15% of 20% of 200
6
A pants is now 46$ after an increase 15% in prices. What was its original price.
40$
Expand and reduce: 4(x+3) -2(x-5)
2x+22