Questions in Grade College

Questions in Grade College

[Answered] Which point is on the circle centered at the origin with a radius of 5 units? Distance formula: [tex]$\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}$[/tex] A. [tex]$(2, \sqrt{21})$[/tex] B. [tex]$(2, \sqrt{23})$[/tex] C. [tex]$(2,1)$[/tex] D. [tex]$(2,3)$[/tex]

[Answered] The function $y=\frac{16,500+1020 x}{x}$ models $y$, the average annual cost in dollars of owning a car for $x$ years. Which statement best explains why the graph of $y=\frac{16,500+1020 x}{x}$ should have a vertical asymptote at $x=0$? A. The value of the car decreases over time. B. The value of the car will never dip below $0. C. The time the car is owned is greater than 0. D. The initial cost of the car is greater than $0.

[Answered] Which expression is equivalent to $\sqrt[3]{32 x^8 y^{10}}$? A. $4 x^2 y^3(\sqrt[3]{2 x^2 y})$ B. $2 x^4 y^5(\sqrt[3]{4})$ C. $2 x^2 y^3(\sqrt[3]{4 x^2 y})$ D. $4 x^4 y^5(\sqrt[3]{2})$

[Answered] Simplify $\left(7^5\right)^3$ A. $\left(\frac{1}{7}\right)^{15}$ B. $35^3$ C. $7^8$ D. $7^{15}$

[Answered] Solve the system. [tex]\begin{aligned} -3 x+3 y+3 z & =3 \ -5 x-5 y+z & =-3 \ 15 x+15 y-3 z & =8 \end{aligned}[/tex]

[Answered] Change 0.8 to a common fraction.

[Answered] The price of a table is y Naira, and the price of a chair is 1/3 of the table. If a customer pays 28,000 Naira for the two items, find the price of the table and chair.

[Answered] Someone skilled in the measurement of vision is known as a(n) A. audiologist B. optometrist C. otorhinolaryngologist D. optitican E. diagnostic ophthalmic sonographer

[Answered] Which relation is a direct variation that contains the ordered pair $(2,7)$? $y=4 x-1$ $y=\frac{7}{x}$ $y=\frac{2}{7} x$ $y=\frac{7}{2} x$

[Answered] Which of the following is a composite number? A. 29 B. 13 C. 139 D. 91