NYS Algebra Regents

When the expression 2x(x - 4) - 3(x + 5) is written in simplest form, the result is

• 2x² - 11x - 15

• 2x² - 11x + 5

• 2x² - 3x - 19

• 2x² - 3x + 1

The point (3,u) is on the graph of y = 2x + 7. What is the value of u?

• -2

• -4

• 10

• 13

Students were asked to write 2x³ + 3x + 4x² + 1 in standard form. Four student responses are shown below. Which student's response is correct?

• Alexa: 4x² + 3x + 2x³ + 1

• Carol: 2x³ + 3x + 4x² + 1

• Ryan: 2x³ + 4x² + 3x + 1

• Eric: 1 + 2x³ + 3x + 4x²

Given f(x) = -3x² + 10, what is the value of f(-2)?

• -26

• -2

• 22

• 46

Write the linear regression equation for this set of data. Round to the nearest hundredth if necessary.

• A dashed line with slope 2 and y-intercept 1, with shading above the line

• A solid line with slope 2 and y-intercept 1, with shading below the line

• A dashed line with slope -2 and y-intercept 1, with shading above the line

• A solid line with slope -2 and y-intercept -1, with shading below the line

**HINT: make y1 the left side and y2 the right then find their intersection

• 1

• 2

• 3

• 4

Write the linear regression equation for this set of data. Round to the nearest hundredth if necessary.

Mathematical Equivalence

ON

Which relation is a function?

• Set of ordered pairs {(1,3), (2,1), (3,1), (4,7)}

• Table with unique inputs and outputs

• Circle on a coordinate plane

• Mapping diagram with multiple outputs for some inputs