Standard Form — Unit test Answers

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Sanjay said that if a line has a slope of zero, then it never touches the x-axis. Which line proves that his statement is incorrect?

x = 0

y = 0

x = 1

y = 1

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The table below shows the total cost of admittance to a basketball game, y, for x students.xy5$2510$5015$7520$100Which explains how the table can be used to predict the cost of any number of students attending the game?

The table is a partial representation of a larger data set. It can be used to generate a graph that is a complete representation of the data set.

The table is a partial representation of a larger data set. It can be used to generate an equation that is a complete representation of the data set.

The table is a complete representation of the data set. To determine the cost of any number of students, find the number of students in the x-column.

The table is a complete representation of the data set. To determine the cost of any number of students, find the number of students in the y-column.

Right triangle ABC is shown below.A similar right triangle would be created by a rise of 8 and a run of

Answer not available

What is modeled by the graph segment between B and C?

The height is remaining constant over time.

The time is remaining constant while the height changes.

The height is increasing.

The height is decreasing.

Which situation could best be represented by this linear equation? 2.75x + 3.25y = 215

Popcorn is 50 cents less expensive than pretzels. The variable x represents the number of pretzels sold and y represents the number of popcorn bags sold. The sales total was $215.

Pretzels cost 75 cents more than popcorn bags. The variable x represents the number of popcorn bags sold and y represents the number of pretzels sold. The sales total was $215.

There were 50 more popcorn bags sold than pretzels. The variable x represents the number of popcorn bags sold and y represents the number of pretzels sold. The sales total was $215.

Pretzels cost 50 cents less than popcorn bags. The variable x represents the number of pretzels sold and y represents the number of popcorn bags sold. The sales total was $215.

Which expression can be used to determine the slope of the line that passes through the points (–7, 3) and (1, –9)?

StartFraction 1 minus (negative 7) Over negative 9 minus 3 EndFraction

StartFraction 1 + (negative 7) Over negative 9 + 3 EndFraction

StartFraction negative 9 minus 3 Over 1 minus (negative 7) EndFraction

StartFraction negative 9 + 3 Over 1 + (negative 7) EndFraction

How does the graph below change between point A and point B?

The graph increases.

The graph decreases.

The graph decreases, then increases.

The graph increases, then decreases.

Right triangle ABC is shown below.A similar right triangle would be created by a run of 8 and a rise of

Answer not available

Which equation represents the linear function that is shown on the graph below?

y = one-half x + 4

y = one-half x minus 2

y = 4 x minus 2

y = negative 2 x + 4

The graph shows a line and two similar triangles.What is the equation of the line?

y = 3 x + 3

y = three-fourths x + 3

y = four-thirds x + 3

y = 4 x + 3

The graph shown below represents a ladder leaning against a wall. The bottom of the ladder is 4 feet from the wall, and the top of the ladder reaches 20 feet above the ground. What is the slope of the graph?

–24

–20

–5

–4

What is the y-intercept of the linear equation ?

–6

–3

The table below shows the amount of money Sarah spends for a craft demonstration. Number of People AttendingCost5$158$1810$2015$25Sarah spends a total of $60. Based on the information in the table, how many people attended the craft demonstration?

How does the graph change between point A and point C?

The graph increases, then decreases.

The graph decreases, then remains constant.

The graph decreases, then increases.

The graph increases, then remains constant.

Javier and his study group designed a word problem, equation, table, and graph that were all supposed to represent the same information, as shown below.Word ProblemA movie theater charges $8.00 for each ticket. What is the total cost, y, for x tickets?Equationy = 8xGraphMovie Theater CostsTableWhich piece of information does not represent the same information as the other three parts?

word problem

equation

graph

table

A line passes through the points (9, 30) and (18, 30). Which statement is true about the line?

It has a slope of zero because the change in the y-values is 0.

It has no slope because the change in the y-values is 0.

It has a slope of zero because the change in the x-values is 0.

It has no slope because the change in the x-values is 0.

Based on the graph of the line below, which describes the relationship between the value of the y-intercept and the value of the slope?

The y-intercept is 3, and the slope is .

The y-intercept is , and the slope is 3.

The y-intercept is 3, and the slope is 3.

The y-intercept is , and the slope is .

David had a coupon for the grocery store. He started graphing on the x-axis what his total bill would be if he didn’t use the coupon and graphing on the y-axis what his total bill would be if he used the coupon.Grocery BillBased on the information in the graph, develop an equation and use it to determine if David’s bill came to $66 after the coupon was applied, how much would his bill have been if he hadn’t used the coupon?

$64

$65

$67

$68

Maricella plots two ordered pairs on the grid below. The line segment is extended to cross both axes. What is the location of the y-intercept on the line?