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Linear Functions — Test Answers

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What is an equivalent equation solved for h ?

h is equal to open paren p over 0 point 7 minus b close paren divided by r

h is equal to p over 0 point 7 minus b divided by r

h is equal to open paren p over 0 point 7 close paren divided by r minus b

h is equal to the fraction with numerator p minus b and denominator 0 point 7 divided by r

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When she adds 2 to both sides, the equation 4 x is equal to 3 x results. Which solution will best illustrate what happens to x ?

The equation has no solution.

The equation has one solution: x is equal to 0 .

The equation has one solution: x is equal to 4 thirds .

The equation has infinite solutions.

Which steps should be used to graph the equation? y minus 4 is equal to 1 third times x plus 2

1. Plot the point 2 comma 4 . 2. From that point, count left 3 units and down 1 unit and plot a second point. 3. Draw a line through the two points.

1. Plot the point negative 2 comma 4 . 2. From that point, count left 3 units and down 1 unit and plot a second point. 3. Draw a line through the two points.

1. Plot the point 2 comma 4 . 2. From that point, count left 1 unit and down 3 units and plot a second point. 3. Draw a line through the two points.

1. Plot the point negative 2 comma 4 . 2. From that point, count left 1 unit and down 3 units and plot a second point. 3. Draw a line through the two points.

Which statement best explains the relationship between lines CD and FG ?

They are not perpendicular because their slopes are equal.

They are not perpendicular because their slopes are negative reciprocals.

They are perpendicular because their slopes are negative reciprocals.

They are perpendicular because their slopes are equal.

What is the missing step of her solution?

Simplify by using the multiplication property of equality.

Simplify by combining like terms.

Simplify by using the division property of equality.

Simplify by using the addition property of equality.

What is the rate of change of the amount earned with respect to hours worked for this function?

13 dollars per hour

3 dollars per hour

1 thirteenth hours per dollar

2 fifths hours per dollar

What is the equation, in point-slope form, of the line that is parallel to the given line and passes through the point open paren negative 1 comma negative 1 close paren ?

y plus 1 is equal to negative 1 third times open paren x plus 1 close paren

y plus 1 is equal to 3 times open paren x plus 1 close paren

y plus 1 is equal to 1 third times open paren x plus 1 close paren

y plus 1 is equal to negative 3 times open paren x plus 1 close paren

Which point on the y -axis lies on the line that passes through point cap g and is parallel to line DF ?

open paren negative 2 comma 0 close paren

open paren 4 comma 0 close paren

open paren 0 comma negative 2 close paren

open paren 0 comma 4 close paren

What is the equation of the line that is parallel to the given line and passes through the point open paren negative 2 comma 2 close paren ?

y is equal to 1 fifth x plus 4

y is equal to negative 5 x plus 12 fifths

y is equal to 1 fifth x plus 12 fifths

y is equal to negative 5 x plus 4

What is the equation, in slope-intercept form, of the perpendicular bisector of the given line segment?

y is equal to 1 third x minus 2

y is equal to 3 x minus 8

y is equal to 1 third x

y is equal to 3 x

What is the y -intercept of the function f of x is equal to 4 minus 5 x ?

negative 5

negative 4

Which equation represents the line that passes through negative 6 comma 7 and negative 3 comma 6 ?

y is equal to negative 3 x plus 25

y is equal to negative 3 x minus 11 y

y is equal to negative 1 third x plus 9

y is equal to negative 1 third x plus 5

The point-slope form of the equation of the line that passes through negative 9 comma negative 2 and 1 comma 3 is y minus 3 is equal to 1 half open paren x minus 1 close paren What is the slope-intercept form of the equation for this line?

y is equal to 1 half x plus 5 halves

y is equal to 1 half x plus 2

y is equal to 1 half x minus 7 halves

y is equal to 1 half x minus 4

What is the value of n in the equation 1 half times open paren n minus 4 close paren minus 3 is equal to 3 minus open paren 2 n plus 3 close paren ?

n is equal to 4

n is equal to 2

n is equal to 6

n is equal to 0

Which equation represents a line that passes through 2 comma negative 1 half and has a slope of 3 ?

y plus 1 half is equal to 3 times open paren x minus 2 close paren

y minus 3 is equal to 2 times open paren x plus 1 half close paren

y minus 2 is equal to 3 times open paren x plus 1 half close paren

y plus 1 half is equal to 2 times open paren x minus 3 close paren

What is a correct first step in solving the inequality negative 4 times open paren 3 minus 5 x close paren is greater than or equal to negative 6 x plus 9 ?

negative 12 plus 20 x is greater than or equal to negative 6 x plus 9

negative 12 minus 20 x is greater than or equal to negative 6 x plus 9

negative 12 minus 20 x is less than or equal to negative 6 x plus 9

negative 12 plus 20 x is less than or equal to negative 6 x plus 9

What is the rate of change for the function represented in the table?

1 point 50 dollars per book

1 point 07 dollars per book

0 point 67 dollars per book

0 point 50 dollars per book

Which is an equivalent equation solved for y ?

y is equal to a minus pi x

y is equal to a pi x y

y is equal to a plus pi x

y is equal to a divided by pi x

Which equation represents the graphed function?

2 x minus 3 is equal to y

3 halves x minus 3 is equal to y

negative 2 thirds x plus 2 is equal to y

negative 3 x plus 2 is equal to y

What is the constant of variation for the subscription cost based on the number of weeks?

7 point 5 0 dollars

30 point 0 0 dollars

1 point 5 0 dollars

15 point 0 0 dollars

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Linear Functions — Test Answers

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