What is Find the first three iterates, x1, x2, and x3, of the function
f(x) = 3x - 1 for an initial value x0=1.
2, 5, 14
100
Which of the following describes the system of equations 2x - y + 4 = 0 and 4x - 2y + 7 = 0?
What is inconsistent
100
Solve |x - 1| - 8 < 3.
What is {x | -10 < x < 12}
100
State the degree of the polynomial function f(x) = x4 - 2x2 + 3x - 1.
What is 4
100
If the angle -1500° is in standard position, state the quadrant
in which its terminal side lies.
What is IV
200
What is Find the x- and y-intercepts for 3x + 4y - 12 = 0.
(0, 3) and (4, 0)
200
Both methods will work If you solve the following system of equations by substitution, which statement is true?
x = z
x - 2y + z = 6
2x + y - 2z = 1
What is Both methods will work
200
A family has a monthly net pay N which is 70% of their gross monthly pay G. They decided to subtract their monthly food allowance of $350 from their monthly net pay and invest 5% of the remainder. Write an equation for the investment each month I, given the above restrictions
What is I = 0.05(0.7G - 350)
200
Write a polynomial equation of least degree with roots -1, 2i, and -2i.
What is x3 + x2 + 4x + 4 = 0
200
Find the measure of the reference angle of -200°.
What is 20°
300
Write an equation in slope-intercept form for the line with a slope -3 and passes through the point (4, 2).
y = -3x + 14
300
A'(7, -2), B'(3, 1), C'(1, -4) Triangle ABC has vertices A(7, 2), B(3, -1), and C(1, 4). Find the image of the triangle after a reflection over the x-axis.
What is A'(7, -2), B'(3, 1), C'(1, -4)
300
Determine the interval(s) on which the function f(x) = 2|x + 1| + 3 is increasing and the interval(s) on which the function is decreasing.
What is The function is increasing for x > -1, and the function is
decreasing for x < -1.
300
The roots of the equation x2 - 8x - 20 = 0 are ____.
What is -2 and 10
300
Which is an example of a cofunction relationship
What is sin 30° = cos 60°
400
Write the standard form of the equation of the line that passes through the point (-4, -2) and is perpendicular to the graph of 3x - 2y + 9 = 0.
What is 2x + 3y + 14 = 0
400
Solve the system of 3 equations by substitution.
x = 3y + 2z
2x + 3y + 2z = 3
-x + y - z = 6
What is (1, 3, -4)
400
If y varies directly as the cube of x and y = 30 when x = 2, find x when
y = 468.75.
What is 5
400
-76 Find the discriminant of x2 - 2x + 20 = 0.
What is
-76
400
Use the unit circle to find sec (-180°).
What is -1
500
Determine the equation of the perpendicular bisector of the line segment with endpoints S(2, 6) and T(10, -4).
What is 4x - 5y - 19 = 0
500
The image of triangle ABC after Rot180 · Ry-axis is the same as which other reflection, if the vertices are A(1,1), B(2,6), C(6,4)?
reflection over the x-axis
500
]The function f(x) = -(x - 3)2 + 4 has a critical point at x = 3. Determine and classify this point.
(3,4) is the absolute maximum of this function
500
If you divide a polynomial by the factor x + 6 and a remainder of zero results, which conclusion is true?
What is
x + 6 is a factor of the polynomial.
500
The angle of elevation of a ladder leaning against a wall is 55°. The ladder is 30 feet long. How high up the wall does it reach