What should I do when i see this?

Change the top one to y= form and graph to see where they cross

Plug in the number 2 for x and y

What should I do when i see this?

Write 2 equations, then graph them to see where they cross

Plug in the number 2 for x and y

The y-intercept represents.....

The initial or starting y-value

The rate at which y is changing with x

True or false: X-intercept is the same as slope

False, x-intercept is where the line crosses the x-axis

What should I do when I see these answer choices?

Get y alone by "cancelling out" or moving the extra numbers from that side

Just delete the extra number with y

What should I do to find the y-intercept since I can't see it?

Make your best estimate based on the graph

What strategy should you try every time you are stuck on a problem?

Graph what the question gave you in desmos and see if the graph helps you answer

Select two points and do (y-y)/(x-x)

What happens to the exponents when you multiply a base times a base? Example: $$a^7\cdot a^2$$

The exponents add; Ans = $$a^9$$

The exponents multiply; Ans = $$a^{14}$$

The exponents subtract: Ans = $$a^5$$

The exponents divide: Ans = $$a^{3.5}$$

What happens to the exponents when you raise a power to a power? Example: $$\left(a^7\right)^2$$

The exponents multiply; Ans = $$a^{14}$$

The exponents add; Ans = $$a^9$$

The exponents subtract: Ans = $$a^5$$

The exponents divide: Ans = $$a^{3.5}$$

What happens to the exponents when you divide a base by a base? Example: $$\frac{a^7}{a^2}$$

The exponents subtract: Ans = $$a^5$$

The exponents multiply; Ans = $$a^{14}$$

The exponents add; Ans = $$a^9$$

The exponents divide: Ans = $$a^{3.5}$$

What happens to an exponent when it is negative? Example: $$\frac{1}{3a^{-2}}$$

The piece with the negative exponent flips to the other side and becomes positive; Ans = $$\frac{1a^2}{3}$$

Everything flips; Ans = $$\frac{3a^2}{1}$$

Trick question, nothing happens: Ans = $$\frac{1}{3a^{-2}}$$

Just change it to positive: Ans = $$\frac{1}{3a^2}$$

What do you have to do to an equation before you can graph it?

Make sure all the numbers are positive

Make sure all the numbers are even

For graphs like these, the DOMAIN is always:

All real numbers greater than or equal to zero

It depends on where it looks like the lines are

All real numbers less than or equal to zero

Since "zeros" means x-intercepts, if a question is asking you to find the zeros of an equation, what should you do?

Graph the equation so you can SEE the x-intercepts!

Use nsolve to find the solution

Find the slope and work backwards

Cross-multiply so you can find the zeros

This picture shows a line with:

This image is exponential, so it doesn't have a slope

This picture shows a line with:

This image is exponential, so it doesn't have a slope

What's NOT true when you see an equation in this form? $$y=a\left(b\right)^x$$

If the b-value is greater than 1, that means the function is increasing

If the b-value is less than 1, that means the function is decreasing

What's NOT true about an "asymptote"?

Sometimes we may have a vertical asymptote

The ONLY asymptotes you see in Algebra I are horizontal, NOT vertical

The asymptote we almost always see is y = 0

It's the imaginary line that the graph never actually crosses; it's where the line flattens out

How do you know where the shading on the graph should be?

If y is greater, it should be shaded above. If y is less, it should be shaded below. If y is negative, flip the sign before you shade

If y is greater, it should be shaded below. If y is less, it should be shaded above

If x is greater, it should be shaded above. If x is less, it should be shaded below

If the line is dotted, it should be shaded above. If the line is solid, it should be shaded below

How should you solve a SYSTEM OF EQUATIONS like this one?

Change them to y = form, graph them, and find where they cross

Use Menu 413 to find the slope of both

Put them both in nsolve and multiply the answers

Guess an x and y value and plug in to check if they work

With a question like this, what should be the FIRST thing you do?

Simplify the normal numbers in Desmos

If you're stuck, but you have nothing to graph, try..............

writing 2 equations based on the problem so then you'll have something to graph

adding all the numbers in the problem and then dividing by 4

STAAR Brain Dump

Authored by Ms. Bramlett

Mathematics

8th Grade

CCSS covered

Used 6+ times

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81 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does perpendicular mean?

opposite reciprocal slope

same slope

proportional

non-proportional

Tags

CCSS.8.EE.B.6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does parallel mean?

opposite reciprocal slope

same slope

proportional

non-proportional

Tags

CCSS.8.EE.B.5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you know where to shade a linear inequality?

If y is negative shade below

If y is positive shade above

If the sign has a line underneath it shade above

If y is greater than the other side, shade above. If y is less than the other side, shade below. If y is negative, flip the sign

Tags

CCSS.HSA.REI.D.12

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where should this graph be shaded?

Above

Below

Tags

CCSS.HSA.REI.D.12

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where should this graph be shaded?

Above

Below

Tags

CCSS.HSA.REI.D.12

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where should this graph be shaded?

Above

Below

Tags

CCSS.HSA.REI.D.12

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where should this graph be shaded?

Above

Below

Tags

CCSS.HSA.REI.D.12

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STAAR Brain Dump

What does perpendicular mean?

What does parallel mean?

How do you know where to shade a linear inequality?

Where should this graph be shaded?

Where should this graph be shaded?

Where should this graph be shaded?

Where should this graph be shaded?

Where should this graph be shaded?

Where should this graph be shaded?

Equation of line with undefined slope going through (2, 7)

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