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Questions in Grade College

[Done] Analyzing an Equation Given in General Form Consider a circle whose equation $15 x^2+y^2+4 x-6 y-36=0$. Which statements are true? Check all that apply. A. To begin converting the equation to standard form, subtract 36 from both sides. B. To complete the square for the $x$ terms, add 4 to both sides. C. The center of the circle is at ( $-2,3$ ). D. The center of the circle is at $(4,-6)$ E. The radius of the circle is 6 units. F. The radius of the circle is 49 units.

[Done] Measurements of two electric currents are shown in the chart. Electric Currents | Current | Volts | Amperes | | :------ | :---- | :------ | | X | 1.5 | 7.8 | | Y | 9 | 0.5 | Which best compares the two currents? A. Current X has a greater potential difference, and the charges flow at a slower rate. B. Current Y has a greater potential difference, and the charges flow at a slower rate. C. Current X has a greater potential difference, and the charges flow at a faster rate. D. Current Y has a greater potential difference, and the charges flow at a faster rate.

[Done] Which best describes a difference between electric current and static electricity? A. Electric current is continuous, and static electricity is not continuous. B. Static electricity is continuous, and electric current is not continuous. C. Electric current involves the movement of electrons, and static electricity involves the movement of protons. D. Static electricity involves the movement of electrons, and electric current involves the movement of protons.

[Done] Simplify, if possible. $-1-\sqrt{-12}=$ (Simplify your answer. Type an exact answer, using radicals and $i$ as needed.)

[Done] What is the solution to this inequality? $x-6<-4$ A. $x<2$ B. $x<-10$ C. $x>-10$ D. $x>2$

[Done] Rationalize the denominator and simplify. [tex]$\sqrt{\frac{3}{5}}$[/tex]

[Done] When taking a loan from the bank, the borrower must first consider A. the interest rate and payment terms B. the inflation rates in the country C. the budget for the nuclear family D. his or her anticipated income

[Done] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Done] Solve for the missing item in the following. Note: Do not round intermediate calculations. Round your answer to the nearest cent. | Principal | Interest rate | Time | Simple interest | | --------- | ------------- | ------ | --------------- | | | 6.50 % | 4 1/4 years | $ |

[Done] Bananas cost $2 a bunch and apples cost $0.75.