How can you know if three side measurements will make a triangle?

If the sum of any two of the sides is greater than the third side

If the sum of any two of the sides is less than the third side

If the sides add up to even numbers

Will three sides measuring 3, 6, and 5 make a triangle? Why or why not?

Yes, because the sum of any two pairs is greater than the third side (3+6>5, and 3+5>6, and 5+6>3)

Yes, because the difference between any two pairs is greater than the third side (6-3<5, and 5-2<6, and 6-5<3)

No, because the sum of any two pairs has to be even and 6+5=11. 11 isn't even.

No, because the sum of all three sides has to be greater than 180 and 3+6+5 is not more than 180.

Do the sides 8, 9, and 17 make a triangle? Why or why not?

No, because the sum of EVERY possible pair of sides must be greater than the third side, and the pair of 8+9 is not greater than 17. (8+9 is 17, which is not GREATER than 17.)

Yes, because the sum of all three sides is greater than the biggest side (8+9+17 is greater than 17)

No, because all the sides must be even numbers

A figure has three sides, measuring 13, 8, and 7. Is the figure a triangle?

Yes (because 8+7>13, 8+13>7, and 7+13>8)

No (because 8+7<13, 8+13<7, and 7+13<8)

No (because 13+8+7>20 and every triangle's sides must sum to more than 20)

How do you find the slope between two points?

Rise over run: the difference between the y's in the numerator, and the difference between the x's in the denominator

Run over rise: the difference between the x's in the numerator, and the difference between the y's in the denominator

Add the x and y values of point 1, and add the x and y values of point 2.

The slope is always 1 no matter what the points are

What is the slope between points (1,4) and (8,3)? Select the correct process to find the slope.

4-3 is 1 and 1-8 is -7 so -1/7 is the slope

4+3 is 7 and 1+8 is 9 so 7/9 is the slope

4-3 is 1 and 1-8 is -7 so -7/1 is the slope (or just -7)

1-4 is -3 and 8-3 is 5 so -3/5 is the slope

What is the slope between points (2, 0) and (-5, -9)? Select the correct process to find the slope.

-9-0 is -9 and -5-2 is -7. Write -9/-7, then that simplifies to just 9/7. So 9/7 is the slope.

-9-0 is -9 and -5-2 is -7. Write -7/-9, then that simplifies to just -7/9. So -7/9 is the slope.

2-0 is 2 and -5 - -9 is 4. Write 2/4, then that simplifies to just 1/2. So 1/2 is the slope.

0 + -9 is -9 and 2 + -5 is 3. Write -9/3, then that simplifies to just -3. So -3 is the slope.

What is the slope between points (10, 11) and (-7, -4)?

-4 - 11 is -15 and -7 - 10 is -17. Write -15/-17, which simplifies to 15/17. So 15/17 is the slope.

-4 - 11 is 15 and -7 - 10 is 17. Write 15/17, so that's the slope.

-4 - 11 is -15 and -7 - 10 is -17. Write -17/-15, which simplifies to 17/15. So 17/15 is the slope.

-4 - 11 is 15 and -7 - 10 is 17. Write 15/17, so 15/17 is the slope.

How can you identify parallel lines from their y=mx+b equations?

Their slopes (m) will be the same, such as with y=5x+4 and y=5x-9

Their slopes (m) will be negative reciprocals of each other, such as with y=5x+4 and y=(-1/5)x-9

Their slopes (m) will add up to 1, such as with y=-1x+7 and y=2x+3

Their y-intercepts (b) will be the same, such as with y=5x+4 and y=7x+4

How can you identify perpendicular lines from their y=mx+b equations?

Their slopes (m) will be negative reciprocals of each other, such as with y=5x+4 and y=(-1/5)x-9

Their slopes (m) will be the same, such as with y=5x+4 and y=5x-9

Their slopes (m) will add up to 1, such as with y=-1x+7 and y=2x+3

Their y-intercepts (b) will be the same, such as with y=5x+4 and y=7x+4

When you determine whether two lines are parallel, perpendicular, or neither, look at each line's _____

slope (the m in the y=mx+b equatIon)

y-intercept (the b in the y=mx+b equation)

y-value (the y in the y=mx+b equation)

x-value (the x in the y=mx+b equation)

Find the circumference of a circle with DIAMETER 10. Round to nearest tenth. (C = 2 pi r)

31.4 (in the formula, use 5 for the radius because radius is half of diameter)

62.8 (in the formula, use 5 for the radius because radius is half of diameter)

62.8 (in the formula, use 10 because diameter is probably the same as the radius)

Practice for Geometry Final!

Authored by Catherine Hosack

Mathematics

10th Grade

CCSS covered

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An infinite two-dimensional figure; has width but not thickness

Plane

Line

Ray

Point

Tags

CCSS.4.G.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A one-dimensional, straight, continuous arrangement of an infinite number of points

Line

Plane

Ray

Line segment

Tags

CCSS.4.G.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Points that lie on the same line

Collinear

Midpoint

Line segment

Perpendicular

Tags

CCSS.4.G.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A portion of a line with two endpoints

Line segment

Line

Ray

Midpoint

Tags

CCSS.4.G.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A location; does not have size or shape

Point

Line

Ray

Perpendicular lines

Tags

CCSS.4.G.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A portion of a line that extends infinitely in only one direction

Ray

Line segment

Line

Plane

Tags

CCSS.4.G.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Lines that intersect to form right angles

Perpendicular Lines

Midpoint

Lines

Collinear

Tags

CCSS.HSG.CO.A.1

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Practice for Geometry Final!

An infinite two-dimensional figure; has width but not thickness

A one-dimensional, straight, continuous arrangement of an infinite number of points

Points that lie on the same line

A portion of a line with two endpoints

A location; does not have size or shape

A portion of a line that extends infinitely in only one direction

Lines that intersect to form right angles

The point in the middle of a segment

Non-adjacent angles formed when two lines intersect are called _____ angles

An angle more than 0 degrees but less than 180 degrees is a/an _____ angle

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