Solve the equation for x.
x/3 = (2x + 3)/7
x = 9
Find the area of the triangle below.
A = 20
Solve for x.
x2-14x+40
x = 4, x = 10
log464=?
3
Which equation is NOT a function?
A. x = y2
B. y = 2
C. y = √x
D. x3/2
A. x = y2
If 3x + 8x + 4x = 6x + 63, then what is 5x + 23?
58
The circumference of a circle is 30π . What is its area?
A = 225π
Solve the system of equations.
y = –3x + 4
x + 4y = –6
(2,-2)
Find the vertex (x,y) for a parabola with equation
y=3x2−6x+1
Vertex: (1,-2)
Find the inverse of: 4x−y=5
y = (1/4)x + (5/4)
A cab ride costs $3.25 for the first half-mile and $0.70 for each mile after the first half-mile. How far can someone travel for $12?
13 miles
In a 30-60-90 triangle, the length of the hypotenuse is 6. What is the length of the shortest side?
3
Expand (x-3)4
x4-12x3+54x2-108x+81
What is the center and radius of the circle indicated by the equation?
(x−2)2+y2=36
Center: (2,0)
Radius: 6
What is sin(C)?
sin(C) = AB/AC
This year, a salesman sells a total of $60,000 worth of steak knives by going door-to-door. This represents a 20% increase from the year before. What was the value of his sales last year?
$50,000
What is the sum of the measures of the interior angles of a hexagon?
720 degrees
Find the vertical asymptotes of the function.
x = 3, x = 5
Solve for x.
ln(x2−4)+ln(3)=0
What is f(3) if f(x) = x3 - 9x + x-1?
f(3) = 1/3
Carol is three times older than Angela. Brad is two years older than Angela. In six years, the sum of Angela's and Brad’s ages will be the same as Carol’s age. How old is Carol?
24 years old
The figure below is a parallelogram with two angles given in terms of x. Determine the value of x.
x = 22
John can mow his lawn in 3 hours and his sister, Julie, can mow it in 2 hours. How long will it take them to mow their lawn if they work together?
1 hour 12 minutes or 6/5 hours
Solve for x.
4x−16x-2=0
x = 4
Find the distance between point (−1,6) to line x=1.
2