Quiz about Algebra STAAR Desmos

Question 1

You must pass the Algebra STAAR to Graduate.

Accepted Answer

True

Answer

False

Question 2

You see the word "DOMAIN" on a question and the graph has TWO ARROWS, you IMMEDIATELY...

Accepted Answer

Find answer choice that has Domain: All Real Numbers

Answer

A.

Answer

Eliminate all the x's in the answer choices.

Answer

Find answer choice that has Range: All Real Numbers

Question 3

Question 3.

Accepted Answer

This is a Function

Answer

This is Not a Function

Question 4

What is the slope of a line that passes through the points (2, 3) and (4, 7)?

Accepted Answer

2

Answer

1

Answer

$$\frac{1}{2}$$

Answer

$$\frac{3}{2}$$

Question 5

If a question says "equivalent" or "best represents", what steps do you do on Desmos?

Accepted Answer

type into Desmos and match the graphs

Answer

add a table and find the slope

Answer

find the equation that looks similar

Answer

type into Desmos and find the x-intercepts

Question 6

when solving an equation, what do you do in desmos

Accepted Answer

y= left side of equation

y= right side of equation

Answer

nothing

Answer

find matching graphs

Answer

do not put in desmos

Question 7

How do you do this in Desmos?

Accepted Answer

Question 8

Vertex

Accepted Answer

The Highest (max) or lowest (min) point of the parabola

Answer

The line that cuts the parabola in half

Answer

The points where the parabola crosses or touches the x-axis

Answer

The invisible line the exponential function never touches

Question 9

$$f\left(x\right)=mx+b\ $$ the m is the _________ and the b is the _______

Accepted Answer

m is slope

b is y-intercept

Answer

m is y-intercept

b is slope

Answer

m is x-intercept

b is y-intercept

Answer

m is max

b is base

Question 10

Identify a root

Accepted Answer

(-4,0)

Answer

(-1,9)

Answer

(0,-8)

Answer

(0,0)

Question 11

Identify the y-intercept

Accepted Answer

(0,-8)

Answer

(-1,9)

Answer

(-4,0)

Answer

(0,0)

Question 12

Identify the vertex

Accepted Answer

(-1,-9)

Answer

(0,-8)

Answer

(-4,0)

Answer

(0,0)

Question 13

Use DEMOS to find the an x-intercept
2x²-5x-3

Accepted Answer

(-0.5, 0)

Answer

(0, -3)

Answer

(0, -0.5)

Answer

(1.25,0)

Question 14

Use DESMOS to find the vertex
-x² +2x+1

Accepted Answer

(1,2)

Answer

(2.414, 0)

Answer

(-0.414, 0)

Answer

(0,1)

Question 15

Given f(x) = x² + 3x - 9, what is the value of f(3)?

Accepted Answer

9

Answer

-9

Answer

3

Answer

27

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