If x = 3r - 4 and y = 3r + 2, which of the following expresses y in terms of x ?
A.) y = x + 2 B.) y = x + 6 C.) y = 9r + 14 D.) y = 6r - 2 E.) y = 3x + 14
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If x is a real number such that x³ = 729, then x² + √x = ?
F.) 9 G.) 27 H.) 30 J) 84 K.) 90
Let the function f(a,b) be defined as f(a,b) = b² - a.
For all x and y, f((x² + y²),(x - y)) = ? A.) 2y² B.) 0 C.) -2y² D.) -2xy + 2y² E.) -2xy
In the standard (x,y) coordinate plane, an equation of a circle is x² + y² = 64. At what points does the circle intersect the y-axis?
A.) (0,1) and (0,-1) B.) (0,8) and (0,-8) C.) (0,9) and (0,-9) D.) (0,10) and (0,-10) E.) the circle does not intersect the y-axis
If f(x) = x² + 3, then f(x + y) = ?
A.) x² + 2xy + y² + 3 B.) x² + 2xy + y² C.) x² + 2xy + 3 D.) x² + 3 + y E.) x² + y²
For which of the following values of x is f(x) = -x² + 11 negative?
A.) -4 B.) -3 C.) -2 D.) -1 E.) 3
What is the value of (x + 2)(x - 3) + 5, when x² - x - 6 = -4 ?
A.) -2 B.) -1 C.) 1 D.) 2 E.) 3
Which of the following has a y-intercept of 3 and is perpendicular to the line 4x - 2y = 6?
A.) 2y + 3x = -3 B.) y + 3x = 2 C.) 2y - x = 6 D.) y - 2x = 4 E.) 2y + x = 6
Which of the following is not a member of the solution set
for the equation 2x(3x - 1)(2x - 2)(x - 3) = 0? A.) 3 B.) 2 C.) 1 D.) 1/3 E.) 0
The expression (-6 + i)² is equivalent to which of the following expressions?
A.) 35 B.) -12i C.) -12 + i D.) 35 - 12i E.) 37 - 12i |
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