Algebra Archive: Questions from August 28, 2022
-
5. If \( \log \frac{x+y}{5}=\frac{1}{2}(\log x+\log y) \) then show that, \( \frac{x}{y}+\frac{y}{x}=23 \)2 answers -
1 answer
-
3. For each quadratic function find the \( \mathrm{x} \)-intercepts, the vertex, the \( \mathrm{y} \) intercept and one other point a) \( y=x^{2}-6 x-16 \) b) \( y=-2 x^{2}+4 x+30 \) c) \( y=5 x^{2}-51 answer -
4. For each quadratic function state: i) the vertex ii) the max or min value iii) when the max or min occurs iv) \( x \)-intercepts v) the \( y \) intercept a) \( y=3(x+2)^{2}+1 \) b) \( y=-x^{2}-8 x+1 answer -
Encuentra la ecuación en coordenadas cilíndricas x 2 +y 2 -2y = 0 ? ALTERNATIVAS
A) \( r=2 \operatorname{sen}(2 \theta): \bar{R} \in R \) (B) \( r=2+\operatorname{sen}(\theta): z \in R \) (C) \( r=2 \operatorname{sen}(\theta): z \in R \) (D) \( r \equiv \operatorname{sen}(\theta)1 answer -
1 answer