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College Math Prep Quiz 1 Review Flashcards | StudBud

Explore/College Math Prep Quiz 1 Review

College Math Prep Quiz 1 Review

8 terms·StudBud Administration·21 plays

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Questions 8

Answers

1
Find the discriminant. State the number and type of solutions the equation has.
0; one real solution
25; two real solutions
33; two real solutions
-352; two complex solutions
2
Solve for the specified variable.
r=\frac{A-2\pi}{h}
r=\frac{A}{2\pi h}
r=\frac{2\pi h}{A}
r=\frac{A+h}{2\pi}
3
Solve by the quadratic formula.
\frac{-3\pm\sqrt{33}}{4}
-\frac{3}{4},\frac{33}{4}
\frac{-3\pm i\sqrt{15}}{4}
3,-2
4
Find the dimensions.
Width: 59.4 yd; Length: 207.2 yd
Width: 88.75 yd; Length: 237.25
Witdh: 67 yd; Length: 230 yd
Width: 48 yd; Length: 115 yd
5
Find the amount invested at each interest rate.
$5200 at 5% and $1200 at 8%
$3900 at 5% and $2500 at 8%
$4300 at 5% and $2100 at 8%
$3000 at 5% and $3400 at 8%
6
Solve by completing the square.
6\pm2\sqrt{10}
4\pm\sqrt{10}
\pm\frac{2}{3}
-4,6
7
Solve the equation.
y=-\frac{23}{3}
y=-\frac{22}{3}
y=-\frac{7}{8}
y=\frac{1}{12}
8
Solve using the square root property.
-3\pm3\sqrt{2}
-3\pm18i
-3\pm2\sqrt{3}
\sqrt{15}