Regents Exam 1

Which expression is equivalent to 16x²-36?

• 4(2x - 3) (2x - 3)
• (4x - 6)(4x - 6)
• 4(2x + 3)(2x - 3)
• (4x + 6)(4x + 6) 

Analysis of data from a statistical study shows a linear relationship in the data with a correlation coefficient of -0.524. Which statement best summarizes this result?

• There is a strong positive correlation between the variables.
• There is a strong negative correlation between the variables. 
• There is a moderate positive correlation between the variables.
• There is a moderate negative correlation between the variables. 

Tags

CCSS.HSS.ID.C.8

Which expression is equivalent to 2(3g - 4) - (8g +3)

• -2g - 1
• -2g - 5
• -2g - 7
• -2g - 11

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.B.3

What is the minimum value of the function y=∣x+3∣ - 2

• -2
• 2
• 3
• -3

What type of relationship exists between the number pages printed on a printer and the amount of ink used by that printer?

• positive correlation, but not causal
• positive correlation, an causal
• negative correlation, but not causal
• negative correlation, and causal 

The daily cost of production in a factory is calculated using c(x) = 200 + 16x, where x is the number of complete products manufactured. Which set of numbers best defines the domain of c(x) ?

• integers
• positive real numbers
• positive rational numbers
• whole numbers

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Which point is a solution to the system below?
2y < -12x +4
y < -6x +4

• (1, ½)
• (0,6)
• (-½,5)
• (-3,2)

When the function f(x) = x² is multiplied by the value a, where a >1, the graph of the new function, g(x) = ax²

• opens upward and is wider
• opens upward and is narrower
• opens downward and is wider
• opens downward and is narrower

A radio station did a survey to determine what kind of music to play by taking  a sample of midle school, high school, and college students. They were asked which of three different types of music they prefer on the radio: hip-hop, alternative or classic rock. The results are summarized in the table to the left. 
What percentage of college students prefer classic rock?

• 14%
• 28%
• 33%
• 58%

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

CCSS.HSS.ID.B.5

Which function has zeros of -4 and 2?

• 1
• 2
• 3
• 4