Identify the solution to the system of equations shown in the graph.
(2,3)
Simplify the expression:
a^2*a^7
a^9
Add:
(x^2+4x-7)+(3x^2-2x+8)
4x^2+2x+1
Graph the function:
y=x^2-5
Simplify sqrt180
6sqrt5
Write the number 3.5xx10^3 in standard notation.
3500
Solve the system of equations by graphing:
y=2x-3
y=1/3x+2
(3,3)
Simplify the expression:
(3x^7)/x^3
3x^4
Subtract:
(x^2+4x-7)-(3x^2-2x+8)
-2x^2+6x-15
What is the quadratic formula?
x=(-b+-sqrt(b^2-4ac))/(2a)
Simplify sqrt(3)*5sqrt(18)
15sqrt6
Write the number 72,300 in scientific notation.
7.23xx10^4
Solve the system of equations by substitution:
3x+4y=-5
x=y+3
(1,-2)
Simplify the expression:
((2x^2)/y^3)^2
(4x^4)/y^6
Multiply:
(x+5)(x-7)
x^2-2x-35
Graph the function:
y=-x^2+6x-8
Solve the equation:
sqrt(3x-8)-3=-1
x=4
Find the median of the data:
2, 4, 5, 5, 6
5
Solve the system of equations by elimination:
2x+6y=-2
-2x-3y=-4
(5,-2)
Simplify the expression:
(2xy)/x^2*(y^4)/x^0
(2y^5)/x
Factor:
x^2+2x-15
(x+5)(x-3)
Find the discriminant of the function:
2x^2+8x+3=0
40
Find the hypotenuse of a triangle with legs 3 units and 12 units long.
3sqrt17
Find the mean of the data:
2, 4, 5, 5, 6
4.4
Solve the system of equations:
3x-y=-9
2x+2y=-6
(-3,0)
Simplify the expression:
(8a^0b^-3c^5)^-1
b^3/(8c^5)
Solve the equation by factoring:
x^2+9x+18=0
(x+6)(x+3)=0
x=-6, x=-3
Solve the equation using the quadratic formula:
4x^2-7x=5
x=(7+sqrt129)/8~~2.29
x=(7-sqrt129)/8~~-0.54
Find the distance between the points (1,2) and (3,4).
2sqrt2
Find the mean absolute deviation of the data:
2, 4, 5, 5, 6
1.12