Quiz about Algebra STAAR Review

Question 1

Question 1.

Accepted Answer

G

Answer

F

Answer

H

Answer

J

Question 2

Question 2.

Accepted Answer

C.

Answer

A.

Answer

B.

Answer

D.

Question 3

What equation in slope intercept form, describes the line that passes through the points (2, 2) and (-1, -13).

Accepted Answer

y = 5x - 8

Answer

y = -5x + 12

Answer

y = -12x + 26

Answer

y = 5x - 15

Question 4

Which equation matches this graph?

Accepted Answer

4x + 5y = 15

Answer

5x + 4y = 15

Answer

3x + 5y = 3

Answer

y = 4/5x + 3

Question 5

Which function is equivalent to f(x) = $$x^2$$ + x - 42

Accepted Answer

(x + 7) (x - 6)

Answer

(x - 2) (x + 21)

Answer

(x - 7) (x + 6)

Answer

(2x - 7) ( x + 6)

Question 6

Rate of change is another term for what?

Accepted Answer

Slope

Answer

vertex

Answer

y-intercept

Answer

x-intercept

Question 7

What appears to be the domain of the function graphed on the grid?

Accepted Answer

$$-1\le x\le3$$

Answer

$$-1\le y\le3$$

Answer

$$5.3\le x\le27$$

Answer

$$5.3\le y\le27$$

Question 8

What is the vertex of the quadratic graph shown?

Accepted Answer

(3,4)

Answer

(4,3)

Answer

(0,-5)

Answer

(1,0)

Answer

(5,0)

Question 9

What is the maximum value of the quadratic graph shown?

Accepted Answer

8

Answer

6

Answer

-2

Answer

2

Question 10

This is an example of:

Accepted Answer

Exponential Growth

Answer

Linear Growth

Answer

Linear Decay

Answer

Exponential Decay

Question 11

What is the domain and range?

Accepted Answer

$$Domain:\ \ x\ \ge\ 0\ \ \ \ \ \ \ Range:\ \ y\ge-2$$

Answer

Domain: All real numbers

Range: All real numbers

Answer

$$Domain:\ \ x\ >0\ \ \ \ \ \ \ Range:\ \ y\ >-2$$

Answer

$$Domain:\ \ All\ real\ numbers\ \ \ \ \ Range:\ y\ge-2$$

Question 12

This is an example of:

Accepted Answer

Exponential Decay

Answer

Linear Growth

Answer

Linear Decay

Answer

Exponential Growth

Question 13

What value of n makes the equation $$4\left(0.5n-3\right)=n-0.25\left(12-8n\right)$$ true?

Accepted Answer

-9

Answer

3

Answer

0

Answer

-15

Question 14

The daily cost of hiring a plumber, y, to work x hours on a repair project can be modeled using a linear function. The plumber charges a fixed cost of $80 plus an additional cost of $45 per hour. The plumber works a maximum of 8 hours per day.

For one day of work, what is the range of the function for this situation?

Accepted Answer

$$80\le y\le440$$

Answer

$$0\le x\le8$$

Answer

$$0\le x\le10$$

Answer

$$45\le y\le685$$

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