STAAR REVIEW

Mathematical Equivalence

ON

The function f(x)=x was transformed to create g(x)=f(x)-4.

Which statement is true about the graphs f and g?

The graphs are ​ (a)   , and the graph of f is translated ​ (b)   to create the graph of g.

• parallel
• down
• not parallel
• up

A graph of a quadratic function is shown. What are the zeros of the function?

Select TWO correct answers.

An artist bought a set of 12 paintbrushes that had x small paintbrushes and y large paintbrushes. The number of small paintbrushes in the set was 2 times the number of large paintbrushes.

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

• x+y=12

  x=2y

• x-y=12

  x=2y

• x+y=12

  y=2x

• x-y=12

  y=2x

• 
• 
• 
• 

• $228
• decreases
• 90%
• $320
• $352
• increases
• 10%
• 110%

​ (a)   L/min

• -6
• 6

• <
• 8
• >
• 5
• -5
• -8