Algebra 1 STAAR Review Questions 2019

What is the slope of the graph of $y=12x-19$ ?

•  $-19$  

•  $-\frac{12}{19}$  

•  $\frac{19}{12}$  

•  $12$  

What is the domain of the function for this situation?

• $0\le x\le230$

• $6\le y\le36$

• $0\le y\le36$

• $6\le x\le230$

Which value of $x$ makes the equation  $1.25\left(4x-10\right)=7.5$ true?

• 3.5

• -1

• -0.5

• 4

• 
• 
• 
• 

What is the rate of change of the avg. height to the number of years since planted?

• 14 ft/yr

• 3 ft/yr

• 7 ft/yr

• 10 ft/yr

What is the equation in slope-intercept form of the line that passes through (-4,2) and (12,6)?

• $y=0.25x+3$

• $y=0.25x-4.5$

• $y=4x+18$

• $y=4x-42$

Which graph best represents $−5y=−6x+15$ ?

• 
• 
• 
• 

• $20,780

• $12,800

• $28,800

• $20,760

Which function is best represented by the graph?

• $g\left(x\right)=6\left(\frac{1}{3}\right)^x$

• $g\left(x\right)=6\left(3\right)^x$

• $g\left(x\right)=6-\left(\frac{1}{3}\right)^x$

• $g\left(x\right)=6-\left(3\right)^x$

Which choice best describes the domain and range of the function for this situation?

• Domain: All real numbers greater than or equal to 0 and less than or equal to 100

  Range: All real numbers greater than or equal to 0 and less than or equal to 50

• Domain: {-2}

  Range: {100}

• Domain: All real numbers greater than or equal to 0 and less than or equal to 50

  Range: All real numbers greater than or equal to 0 and less than or equal to 100

• Domain: {100}

  Range: {-2}