For the following functions find out the slope of the graph and the intercept. Then sketch the graph for values of $x$ between $-10$ and 10 .

$$y=2 x+4$$

For the following functions find out the slope of the graph and the intercept. Then sketch the graph for values of $x$ between $-10$ and 10 .

$$y=4 x+1$$

Form Hypotheses: How does the appearance of a burned-out lightbulb compare to a new lightbulb? What could explain the difference?

Find $\lvert\text{u}\times\text{v}\rvert$ and determine whether $\text{u}\times\text{v}$ is directed into the page or out of the page.

Choose an appropriate data display for the situation. Explain your reasoning. A student's test scores and how the scores are spread out.

explain why increasing extracellular K+ reduces the net diffusion of K+ out of the neuron through the K+ leak channels.

The idea that even if something is out of sight it still exists is called a. egocentrism b. object permanence c. conservation d. reversibility

Build two similar towers out of blocks.
a. What is the ratio of the heights of the towers?
b. What is the ratio of the perimeters of the bases of the towers?

Even though the phone is ringing, no sound comes out of the jar. What does this tell you about what is in the jar?

Point out differences between the man and the dog. What message about instincts do you get from these contrasts?

For each sample, find the sample proportion. Write it as a percent. 532 out of 580 households own a color television set.

In the photoelectric effect, electrons are knocked out of metals by photons of light. So why are electrons left in the metals in an ordinary room?

Factor each polynomial completely. Factor out the greatest common factor as necessary.

$$4 z^2+56 z y+196 y^2$$

In each blank, insert the most appropriate word or expression.

Alice's position turned out to be a(n) ______ since it offered no opportunity for advancement.