Quiz
Math Placement (61-80)
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Perguntas do quiz (20)
161. Given an isosceles triangle with base length 32 cm and altitude 12 cm, find the length of the congruent sides.
- A24 cm
- B22 cm
- C20 cm
- D18 cm
262. If tan θ = 3 and sin θ> 0, then cos θ equals
- A- 3/√10
- B3/√10
- C1/√10
- D- 1/√10
363. If csc θ = 13/5 and cos θ < 0, then cot θ equals
- A12/5
- B-12/5
- C5/12
- D-13/12
464. Find the exact value of csc(225°)
- A-√2
- B-√2 / 2
- C√2
- D√2 / 2
565) Find the exact value of cot (420°)
- A√3 / 2
- B√3 / 3
- C√3
- D1 / 2
666) If the angle θ in standard position meets the unit circle at (√(5/6), -√(1/6)), find the value of the functions sin(θ) and cos(θ)
- Asinθ = √(5/6) and cosθ = -√(1/6)
- Bsinθ = -√(1/6) and cosθ = √(5/6)
- Csinθ = - √(5/6) and cosθ = √(1/6)
- Dsinθ = √(1/6) and cosθ = - √(5/6)
767) Find the expression that is equal to (1 + sinθ) / (1 - sinθ)
- Asinθ + cos²θ
- B(cscθ + 1) / (cscθ - 1)
- C0
- Dsec²θ + tan²θ
868) Find the expression that is equal to (tanθ + cotθ)²
- Atan²θ + cot²θ
- B2tanθcotθ
- C2cot²θ - 1
- Dsec²θ + csc²θ
969. The minute hand of a clock is 6cm long. How far does the tip of the minute hand travel in 15 minutes?
- A12π cm
- B9π cm
- C6π cm
- D3π cm
1070) Find the area of a sector of a circle with central angle θ= 3 radians, if the radius of the circle is 6 in
- A54 in²
- B36 in²
- C27 in²
- D18 in²
1171) The area of the sector of a circle with central angle of θ = 2 radians is 16m². Find the radius of the circle
- A16 m
- B8 m
- C4 m
- D2 m
1272) Solve 4cosθ + 6 = 5(cosθ + 1), 0≤ θ < 360°
- A0°
- B90°
- C180°
- D270°
1373) Solve (2sinθ - 3)(cosθ + 2) = 0, 0 ≤ θ ≤ π
- ANo solution
- Bθ = π/3 , 0
- Cθ = 0 , π/2
- Dθ = π/3 , π/2
1474) Solve 2sin²θ = sinθ + 1 , -π/2 ≤ θ ≤ π/2
- Aθ = - π/6 , π/2
- Bθ = π/3 , - π/2
- Cθ = π/6 , - π/2
- Dθ = - π/3 , π/2
1575) In a right triangle ABC with m<C = 90° , if AC = 12 and sin(B) = 3/5, find AB
- A20
- B6
- C2√14
- D8
1676) In triangle ABC with m<A = 30° , m<B = 45° and BC =√2 , find AC
- A√2
- B2
- C3
- Dinsufficient information
1777) In triangle ABC with m<A = 30° , m<B = 60° and AB =12 , find BC
- A6√3
- B6
- C12√3
- Dinsufficient information
1878) Eliminate the parameter t in the given parametric equation
x = cos(t)
y = 3 + sin(t)- Ay = 3 + √x
- Bx = 3 + √y
- Cx² + y² = 9
- Dx² + (y - 3)² = 1
1979) Eliminate the parameter t in the given parametric equation
x = sin(t)cos(t)
y = sin(2t)- Ax = 2y
- By = 2x
- Cxy = 2
- Dxy = 1/2
2080) Given vectors ū = 〈-4, -3〉 and vector v = 〈2, 1〉 , which of the following statements, if any, is false
- A|ū| = 5
- Bū + 2v = 0
- Cv - ū = 〈6, 4〉
- DNone of these
Informações
- Descrição
- 8th grade SN Quiz sobre Math Placement (61-80), criado por J S em 01-05-2021.
- Autor
- J S
- Idioma
- English
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