TRIGONOMETRY &QUADRATIC EQUATIONS

The solutions of the quadratic equation
x²-5x+6=0 are

• x=1 or x=-6
• x=3 or x=2
• x=-3 or x= 2
• x=-1 or x=6

Tags

CCSS.HSA-REI.B.4B

In the quadratic formula, if b²-4ac>0, then the quadratic equation has

• two imaginary solutions
• two different real solutions
• two equal real solutions
• none of these

Tags

CCSS.HSA-REI.B.4B

In the quadratic formula, the expression
b²-4ac is called

• discrim
• determinant
• discriminant
• none of these

Tags

CCSS.HSA-REI.B.4B

The solution of the quadratic equation
4x²-5x-9=0 are

• x=-1 or x=9/4
• x=1 or x=9/4
• x=2 or x=3
• x=-2 or x=-3

Tags

CCSS.HSA-REI.B.4B

One solution of the quadratic equation
x²-7x+12=0 is

• x=3
• x=2
• x=-3
• x=-2

Tags

CCSS.HSA-REI.B.4B

What is the length of the hypotenuse?

• 16
• 30
• 34

Tags

CCSS.8.G.B.7

What is the ratio for Sine?

• Hyp/Opp
• Opp/Hyp
• Opp/Adj
• Adj/Opp

Tags

CCSS.HSG.SRT.C.6

What is the ratio for Tangent

• Opp/Adj

• Adj/Opp

• Opp/Hyp

• Hyp/Opp

Tags

CCSS.HSG.SRT.C.6

What is the correct ratio?

• 7/24
• 24/7
• 7/25
• 24/25

Tags

CCSS.HSG.SRT.C.6

3x² - 4 is a quadratic

• true
• false

Tags

CCSS.HSA.REI.B.4