The sum of \(8 n^2 - 3n + 10\) and \(3n^2 - 6n - 7\) is
\[ 5 n^2 - 9n + 3\]
\[5n^2 - 3n - 17\]
\[-11n^2 - 9n - 17\]
\[-11n^2 - 3n + 3\]
Noj is 5 years older than Jacob. The product of their ages is 84. How old is Noj?
6
7
12
14
What is the slope of a line represented by the equation \(2y = x - 4\)?
1
\(\frac{1}{2}\)
-1
\(-\frac{1}{2}\)
When \(16x^3 - 12 x^2+ 4x\) is divided by 4x, the quotient is
\[12 s^2 - 8x\]
\[12x^2 - 8x + 1\]
\[4x^2 - 3x\]
\[ 4x^2 - 3x + 1\]
Which fraction represents \(\frac{x^2-25}{x^2-2-20}\) expressed in its simplest form?
\(\frac{4}{5}\)
\(\frac{x-5}{x-4}\)
\(\frac{x+5}{x+4}\)
\(\frac{25}{x+20}\)
When x = 4, the value of \(2 x^0 + x!\) is
24
25
26
28
Jonathan drove to the airport to pick up his friend. A rainstorm forced him to drive at an average speed of 45 mph, reaching the airport in 3 hours. He drove back home at an average speed of 55 mph. How long, to the nearest tenth of an hour, did the trip home take him?
2.0 hours
2.5 hours
2.8 hours
3.7 hours
If the area of a rectangle is represented by \(x^2+ 8x+15\) and its length is represented by \(x+ 5\), which expression represents the width of the rectangle?
\(x+ 3\)
\(x- 3\)
\(x^2+ 6x+5\)
\(x^2+ 7x+10\)
Which interval notation represents \(-3 \leq x \leq 3\)?
\([-3, 3]\)
\((-3, 3]\)
\([-3, 3)\)
\((-3, 3)\)
Which equation represents a line parallel to the line whose equation is \(2x + 3y = 9\)?
\(y = \frac{2}{3}x - 4\)
\(y = -\frac{2}{3}x + 4\)
\(y = \frac{3}{2}x - 4\)
\(y = -\frac{3}{2}x - 4\)
