Algebra 1 Redesign STAAR EOC Practice Test

Which expression is equivalent to $$\left(2m^4\right)\left(5m^8\right)$$ ?

The function $$f\left(x\right)=x$$ was transformed to form $$g\left(x\right)=f\left(x\right)-23$$ .

Which statement is true about the graphs of f and g ?

An artist bought a set of 10 paintbrushes that contained x small paintbrushes and y large paintbrushes. The number of small paintbrushes in the set was 4 times the number of large paintbrushes in the set.

Which system of equations can be used to find the numbers of small paintbrushes and large paintbrushes in the set?

Which graph represents $$f\left(x\right)=3\left(\frac{2}{3}\right)^x$$ ?

For quadratic function f, the solutions to the equation $$f\left(x\right)=0$$ are $$x=\frac{7}{5}$$ and $$x=-\frac{2}{3}$$ .

Which function could represent f ?

A store manager adjusts the price of an item each week that the item goes unsold. The price of the unsold item, in dollars, after x weeks can be modeled by the exponential function $$f\left(x\right)=320\left(0.90\right)^x$$ .

Choose the correct answer from each drop-down menu to complete the sentences.

The initial price of the item before the store manager made any adjustments was ​ (a)   .

The price of the item ​ (b)   at a rate of ​ (c)   each week.

Which expression is equivalent to $$\sqrt[]{75}$$ ?

A fish tank is being drained at a constant rate. The graph shows the linear relationship between the volume of water in the fish tank in liters and the time in minutes the tank has been draining.

Which value best represents the rate of change of the volume of water in the fish tank with respect to time?

What is the solution set for $$12-4w>2\left(w-18\right)$$ ?