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Questions in Grade High-school

[Homework Help] Writing a quadratic function that represents a parabola that touches but does not cross the $x$-axis at $x=-6$. Which function could Heather be writing? A. $f(x)=x^2+36 x+12$ B. $f(x)=x^2-36 x-12$ C. $f(x)=-x^2+12 x+36$ D. $f(x)=-x^2-12 x-36$

[Homework Help] Where does the graph of [tex]f(x)=-3 \sqrt{-2 x-3}[/tex] start? A. [tex]\left(-\frac{3}{2}, 0\right)[/tex] B. [tex]\left(\frac{3}{2},-3\right)[/tex] C. [tex]\left(\frac{3}{2}, 3\right)[/tex] D. [tex]\left(-\frac{3}{2}, 3\right)[/tex]

[Homework Help] Consider the equation below. [tex]$CaCO_3(s) \longleftrightarrow CaO(s)+CO_2(g)$[/tex] What is the equilibrium constant expression for the given reaction? A. [tex]$K _{ eq }=\frac{[ CaO ]}{\left[ CaCO _3\right]}$[/tex] B. [tex]$K _{\text {eq }}=\frac{\left[ CO _2\right][ CaO ]}{\left[ CaCO _3\right]}$[/tex] C. [tex]$K _{\text {eq }}=\left[ CO _2\right]$[/tex] D. [tex]$K_{\text {eq }}=\frac{1}{\left[ CO _2\right]}$[/tex]

[Homework Help] What does "identity" mean? How is one's identity formed? How do personal experiences affect our identity? To what extent do institutions emphasize conformity at the expense of individuality? Think about this idea for a minute. Where does the Queen look for confirmation of her own beauty? Not to a regular mirror that would reveal her own true reflection, but rather to a magic mirror that doesn't reflect her own image at all, but only compares the Queen's image to other people's beauty. The Queen's identity is not tied to her self, but to others, whom she tries unsuccessfully to control.

[Homework Help] Examine the power. ${ }^4$ 1. Identify the base: 5 2. Determine the exponent: 4 3. Write in expanded form: $5 \cdot 5 \cdot 5 \cdot 5$ What is the value of the power?

[Homework Help] What does a point-by-point comparative essay do? A. It examines each text individually. B. It compares and contrasts by topic. C. It uses separate paragraphs to compare. D. It explores one author at a time.

[Homework Help] [tex]$\beta$[/tex] - decay producing ${ }_{56}^{137} Ba$

[Homework Help] If $f(x)=-2\lceil x\rceil+8$, what is $f(-1.8)?$

[Homework Help] Evelyn bought 8.4 gallons of gas for $23.94. Which equation can be used to determine the price of each gallon of gas? A. $8.4x = 23.94$ B. $\frac{x}{8.4} = 23.94$ C. $23.94x = 8.4$ D. $\frac{x}{23.94} = 8.4

[Homework Help] Round the following numbers to the nearest hundreds: a. 127 b. 351 c. 726 d. 865 e. 1842 f. 1177 g. 2288 h. 6364