What is the matrix equation used to find the intersection of these two lines?
3x = 2 + 4y
2y = 6 - 5x
100
{—5, 3, 4}
What are the zeros of the polynomial
p(x)=x^3−2x^2−23x+60?
100
-3 + 12i
What is (6 + 8i) - (9 - 4i) simplified?
100
2
What is the value of x in the solution
of this system?
5x - 2y + z = 0
2x - y + z = -3
3x + 4y = 18
100
288 Million
What does the model predict the U.S. population
will be in the year 2000 if in 1950, a U.S. population model was y = 151 (1.013) ^ -t - 1950 million
people, where t is the year.
200
2 -1
-5 3
What is the matrix that both sides of the equation should be multiplied to solve for x ?
y
3 1 x 5
5 2 y = 9
200
3x^2−7x−20
What is (6x^3−11x^2−47x−20)÷(2x+1) ?
200
(-14 + 5i)/13
What is (4 + i)/(-3 - 2i) simplified?
200
3
What is the value of z in the solution
of this system?
x + y - z = -5
2x + z + 1 = -2y
x - y = 3z + 3
200
X>20
What values of x will the company
lose money if the profit (P), in dollars, for a
company is modeled by the function
P(x)=—750x^2+15,000x, where x is
the number of items produced ?
300
6 -8 -21
12 -.5 0
What is -2A -B
A = -3 1 0
-4 0 -.5
B = 0 6 9
-4 .5 1
300
6.08
What is the approximate value of the
greatest zero of f(x)=x^3−6x^2−x+3?
300
x=—4,y=1
What are the values of x and y if (x+yi)−(2−3i)=—6+4i and x and y are real numbers?
300
{(0, 0),(8, 4)}
What is the solution set of the system
below?
x = 2y
x - y^2 = -2y
300
55
What is f(g(3)) if f(x)=2x+1 and g(x) = x3?
400
7 12 -1
7 -4 6
What is A + B?
A = -2 5 7
4 -1 0
B = 9 7 8
3 -3 6
400
3 and 4 + i
What are the zeros of f(x)=x^3−11x^2+41x−51?
400
-6
What is 6i^14?
400
5in, 8in, 16in
Two isosceles trianles have the same base, but the legs of one are twice as long as the legs of the other. What is the length of the sides of the triangle if their perimeters are 21in and 37in?5
400
down
What is the direction the graph
y = (x+2)^(1/2)+c shift as c decreases?
500
$3.84 watermelon
$2.16 cheeries
What is the cost of each fruit if a half of watermelon and a half of pound of cheeries cost $3.09 and a whole watermelon and two pounds of cheeries cost $8.16?
500
8x^3 - 36x^2 + 54x - 27
What is (2x - 3)^3 expanded?
500
21 + 20i
What is (2i + 5)^2 simplified?
500
plane = 54
wind = 6
What is the wind speed and the plane's speed if with a tail wind a plane traveled 120km in 2.0 hours and on the return trip against the same wind it took 0.5 hours longer?
500
27,440
Alan has just started a job that pays a
salary of $21,500. At the end of each
year of work, he will get a 5% salary
increase. What will his salary be after
getting his fifth increase?