Algebra Math Sbac

Select an expression equivalent to (y²-25)

• y²-10y-25

• y²-10y+25

• y²+10y+25

• (y-5)²

• (y+5)(y-5)

Write the equivalent expression to √3⁸

• 3^1/4

• 3³

• 3⁴

• 3²

• 3⁶

Choose all statements that are correct:

• 5/(20x) = 1/(4x) has no real solutions

• 5/(20x) = 1/(4x) has many solutions solutions

• 3x = 4 + 5x has one real solution and x=2

• √(2x+3) + 6 =0 has no real solutions

• √(2x+3) + 6 =0 has many real solutions

Enter and expression equivalent to (3x²+2y²-3x) +(2x²+y²+2x) - (x² +3y² +x) using the fewest number of possible terms

• 4x²-2x

• 4x² + 6y²

• 4x² + 6y² -2x

• 8x³y²

• -48x²y²

• The student solved the equation correctly.

• The student made an error in step 2.

• The student made an error in step 5.

• Only x= 7 is a solution to the original equation.

• Only x= -3 is a solution to the original equation.

Which inequality represents all possible solutions of -6n < -12

• n < -1/2

• n > 72

• n < 2

• n > 2

• n < 1/2

Choose all of the correct ratios for the triangle in the picture

• Sin (B) =21/29

• Sin (B) =20/29

• Cos (A) =21/29

• Tan (B) =21/29

• Tan (A) =21/20

Choose all of the numbers that would refute Cheryl's claim

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A train travels at a constant speed (x), in miles per hour,.

Which of the following equations could be used for the speed of the train, if the train travels 250 miles in 5 hours, check all that apply

• 5(x)=250

• 250(x)=5

• x=50

• x=50/250

• 50(x)

• gs

• g/s

• s/g

• 1/(sg)

• 1/(gs)