Veterinarians know that a dog's body temperature (t) is considered normal when the value of the expression seen below is no more than 0.75. (Note: temperature is in degrees Fahrenheit). $$\left|T-101.75\right|$$ Suppose a dog's temperature is $$101.2\degree F$$ . Based on the above expression, which statement about the dog's body temperature is TRUE?

Since the normal body temperature is from 101 to $$102.5\degree F$$ , the dog's body temperature is considered normal.

Since the normal body temperature is from 100.25 to $$103.25\degree F$$ , the dog's body temperature is considered normal.

Since the normal body temperature is from 100.25 to $$103.25\degree F$$ , the dog's body temperature is not considered normal.

Since the normal body temperature is from 101 to $$102.5\degree F$$ , the dog's body temperature is not considered normal..

An equation and some of the steps used to solve the equation are shown below. One step is missing. $$2\left(x-3\right)+10x=5\left(3+x\right)$$ ? $$2x-5x+10x=15+6$$ $$7x=21$$ $$x=3$$ Which of the statements is most likely the missing step and the property that justifies it?

$$2x-6+10x=15x+5x$$ The distributive property

$$2x-\left(3+10x\right)=5\left(3+x\right)$$ The associative property

$$2\left(x-3\right)=5\left(x+x\right)-10x$$ The associative property

$$2x-3+10x=15\ +x$$ The distributive property

The system of equations below describes the relationship between the time (t) , in seconds, two objects have been traveling and each object's velocity (v), in feet per second. $$v=-32t$$ $$v=-32t+16$$ Based on the system of equations, which statement about the velocity of the objects is TRUE?

The objects never travel at the same velocity.

The objects always travel at the same velocity.

The objects travel at the same velocity only after they have been traveling for $$\frac{1}{4}$$ seconds

The objects travel at the same velocity only after they have been traveling for $$\frac{1}{2}$$ seconds

In a science experiment, a scientist records the wavelengths of six waves. The wavelengths, in nanometers, are listed below: 0.0001, $$\frac{5}{100}$$ , $$10^{-3}$$ , 1.0001, $$\frac{1}{1,000}$$ , 2x $$10^{-2}$$ Which wavelengths are equal to one another? (Select ALL that are equal)

$$10^{-3}$$ and $$\frac{1}{1,000}$$

The graph of a relation is shown in the image. Removing which line segment from the graph would make the relation a function of x?

The line segment with endpoints (4,-3) and (-4,-2)

The line segment with endpoints (-4,-2) and (-3,2)

The line segment with endpoints (-3,2) and (3,3)

The line segment with endpoints (3,3) and (4,-3)

Algebra 1 PA Keystone Review

Authored by Lisa Miller

Mathematics

12th Grade

CCSS covered

Used 12+ times

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Over one week, a snack booth at a fair sold 362 cans of soft drinks for $1.75 each and 221 hot dogs for $2.35 each. Which calculation will give the closest estimate of the sales of soft drinks and hot dogs?

300(2) + 200(2)

400(2)+200(2)

400(2) + 200(3)

400(2)+300(3)

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A student is selling small and large frozen pizzas for a fund-raiser.
* The student earns $3 for each small pizza sold
* The student earns $4 for each large pizza sold
* The student has sold exactly 30 pizzas.
* The student has earned $100
How many small pizzas and large pizzas has the student sold?

10 small

20 large

14 small

16 large

18 small

12 large

20 small

10 large

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Algebra 1 PA Keystone Review

Over one week, a snack booth at a fair sold 362 cans of soft drinks for $1.75 each and 221 hot dogs for $2.35 each. Which calculation will give the closest estimate of the sales of soft drinks and hot dogs?

A student is selling small and large frozen pizzas for a fund-raiser.
* The student earns $3 for each small pizza sold
* The student earns $4 for each large pizza sold
* The student has sold exactly 30 pizzas.
* The student has earned $100
How many small pizzas and large pizzas has the student sold?

The solutions set of an inequality is shown in the image. Which inequality has this solution set?

Sandy has at least 2 times as many pencils as David has. David has 3 pencils more than Pietro has. Pietro has 4 pencils. Which number line shows the solution set for the possible numbers of pencils Sandy has?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Algebra 1 PA Keystone Review

Over one week, a snack booth at a fair sold 362 cans of soft drinks for $1.75 each and 221 hot dogs for $2.35 each. Which calculation will give the closest estimate of the sales of soft drinks and hot dogs?

A student is selling small and large frozen pizzas for a fund-raiser. * The student earns $3 for each small pizza sold* The student earns $4 for each large pizza sold* The student has sold exactly 30 pizzas.* The student has earned $100How many small pizzas and large pizzas has the student sold?

The solutions set of an inequality is shown in the image. Which inequality has this solution set?

Sandy has at least 2 times as many pencils as David has. David has 3 pencils more than Pietro has. Pietro has 4 pencils. Which number line shows the solution set for the possible numbers of pencils Sandy has?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics