Math Level 1 Prep A

A number is decreased by 8. If the cube root of that result equals -0,5, what is n's value?

What is the probability of hitting the shaded region of the following rectangle?

If f(x) = x⁴ -3x³ - 9x² +4, for how many real numbers k does f(k) = 2?

What is the distance in space between the pts (-3, 6, 7) and (2, -1, 4)?

A band wants to produce CDs:$5.90 for a pack n, $250 for the equipment.  What is the cost?

Of the following age groups, which projected % + in population from 2000-2050 is the greatest?

A rod is stuck diagonally in a 3 cm cube.  How long is the rod?

20 students tasted candy bars: 3 tried all 3, 5 tried only 2 kinds. How many have tried only 1?

a, b ∈ R; i² = -1, and (a+b) + 5i = 9 + ai, what is the value of b?

If line l is the ⊥ bisector of the line segment  A(2,0) and B(0, -2), what is l's slope?

The 1st term of an arithmetic sequence = -16; 11th term = 39. What is the common difference?

In the figure, AB and CD are parallel.  What is x in terms of y and z?

In the figure, ∆ ABC has a rt ∠ at C.  AC = 10, and ∠BAC = 22^o.  What is the length of BC?

If f(x) = x + 3 and g(x) = (x² - 9)/(x - 3), which of the following is true about their graphs?

What are all values of x for which 4 - x² ≥ x - 2?

If log_ca = x, which of the following must be true?

Inscribed ABCD has side length AB 5, BC = 12.  what is the area of the shaded region?

New, a car's worth $15K, then depreciates (graph). Using least-squares, what is the value@t=4? 

A rectangular solid's faces have areas: 24cm²; 8cm²; and 3cm². What is the volume of the solid?

The height of a ball given by: h(t) = -16t² + 46t + 5.  What is the maximum height of the ball?