Equations with Squares & Pythagorean Theorem

Is this triangle a right triangle?

(Hint: plug these numbers in to the a² + b² = c²)

• yes

• no

Find the length of the missing side. 

• 48 in.
• 52 in.
• 16 in.
• 24 in.

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

CCSS.HSG.SRT.D.11

Side c on a right triangle is ALWAYS the longest.

• true

• false

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Does the set of numbers represent a right triangle?

20, 25, 15

• Yes

• No

Tags

CCSS.8.G.B.8

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse
• scalene
• isosceles
• right

Tags

CCSS.8.G.B.8

Solve for x.

x² = 64

• $x=\pm8$

• $\times=\pm32$

• $\times\equiv8$

• $\times=-8$

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

x² + 5 =69

• x = 8

• x = ±8

• x = -4

• x = ±4

2x² = 200

• x = ± 14.14

• x = ± 100

• x = ± 14.15

• x = ± 10

k² + 8 = 8

• 0, -0
• 4, -4
• 0
• 4

Tags

CCSS.HSA.REI.B.4

2k² - 37 = 61

• -98 and 98
• -49 and 49
• -7 and 7
• 7

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4