Algebra STAAR Questions

Function p is in the form of y=ax²+c. If the values of a and c are both less than 0, which graph could represent p?

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A manager purchased a total of 21 coffee mugs and key chains. Each coffee mug cost $8.50, and each key chain cost $2.75. If the manager spent a total of $132.50, how many coffee mugs did the manager purchase?

Solve for x:
4(1-x)+3x=-2(x+1)

• x = -6

• x = 6

• x = 3

Write the expression in simplest form.
6(3x + 5) + 2(x - 4) 

• 11x + 22

• 20x + 22

• 20x + 1

• 18x + 26

What is the equation of this line?

• y = 2x +2

• y = 2x -2

• y = -x + 2

• Cannot be Determined

Which equation represents the line shown on the coordinate plane?

(7x² - 3x) + (5x² + x + 3)

• 12x² - 2x + 3

• 2x² + 4x + 3

• 12x⁴ + 2x² + 3

• 2x² - 4x - 3

Add the polynomials.

(2xy - 3x² + 4y - 5) + (-3xy + 4y² - 3y + 8)

• -1xy - 3x² + 4y² + 1y + 3

• -1xy + 1x² + 1y + 3

• -1xy + 1y² + 1y + 3

• 1xy + 3x² + 4y² + 1y + 3

• None of these

Multiply

(4x+3)(2x-1)

• 8x²-2x-3

• 8x-3

• 8x²+6x-3

• 8x²+2x-3

Simplify the expression

(x - 3)²

• x² - 6x + 9

• x² + 9

• x² + 6x - 9

• x² + 6x + 9