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Identify the equation as pure quadratic, incomplete quadratic, complete quadratic, or not quadratic

Question : Identify the equation as pure quadratic, incomplete quadratic, complete quadratic, or not quadratic : 2151570

Provide an appropriate response.

21) Identify the equation as pure quadratic, incomplete quadratic, complete quadratic, or not quadratic: x2 + 16x = 0.

A) Not quadratic

B) Complete quadratic

C) Incomplete quadratic

D) Pure quadratic

22) Identify the equation as pure quadratic, incomplete quadratic, complete quadratic, or not quadratic: 9x2 = 4 .

A) Incomplete quadratic

B) Not quadratic

C) Pure quadratic

D) Complete quadratic

23) Identify the equation 2x + y = 6 as linear, quadratic, or other.

A) other

B) quadratic

C) linear

24) Identify the equation y = -3x2 + 1 as linear, quadratic, or other.

A) quadratic

B) linear

C) other

Solve the equations.

25) x2 = 144

A) ±13

B) 72

C) 12

D) ±12

26) x2 = (1/100)

A) ± (1/50)

B) (1/10,000)

C) ± (1/10)

D) (1/200)

27) x2 = (9/64)

A) (81/4,096)

B) ± (9/128)

C) ± (3/8)

D) (9/32)

28) x2 = 0.25

A) ±0.5

B) ±6

C) 0.5

D) 12.5

29) y2 = 15

A) ±√(15)

B) √(15)

C) 225

D) 7.5

30) x2 = 20

A) ±5√(2)

B) ±2√(5)

C) ±10

D) 400

Solve the equations.

31) 3x2 = 39

A) ±√(13)

B) ±13

C) 14

D) 19.5

32) -4x2 = -28

A) ±7

B) 8

C) ±√(7)

D) 14

33) x2 - 81 = 0

A) ±9

B) 9

C) 43

D) ±8

34) x2 + 4 = 29

A) 5

B) ±4

C) ±5

D) 14.5

35) 3z2 - 192 = 0

A) ±8

B) ±9

C) 8

D) 98

36) 2z2 + 3 = 165

A) ±10

B) 82.5

C) 9

D) ±9

37) 16x2 = 9

A) ± (9/32)

B) (9/8)

C) ± (3/4)

D) (81/256)

38) 2x2 = 49

A) ± (2/7)

B) ± (2√(7)/7)

C) ± (7/2)

D) ± (7√(2)/2)

39) 0.6x2 - 0.3 = 0.714

A) ±1.69

B) ±0.69

C) ±1.3

D) no real solution

40) x2 + 343 = 0

A) ± 14i√(7)

B) ± 7i√(7)

C) ± 7√(7)

D) ± i√(7)

Solution
5 (1 Ratings )

Solved
Mathematics 4 Months Ago 14 Views
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