On-Line Practice Quiz

## CLAST Algebra Skill Objectives

Add, subtract, multiply and divide real numbers Apply the order-of-operations agreement Use scientific notation Solve linear equations and inequalities Use formulas to compute results Find particular values of a function Factor a quadratic expression Find the roots of a quadratic equation Solve a system of two linear equations in two unknowns Use properties of operations correctly Determine whether a number is among the solutions of a given equation or inequality Recognize statements and conditions of proportionality and variation Identify regions of the coordinate plane that correspond to specific conditions and vice versa Use applicable properties to select equivalent equations or inequalities Solve real-world problems involving the use of variables Solve problems that involve the structure and logic of algebra

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^{2}
+ 18

^{2}
- 6

Add: =

^{7}

^{1}

^{-1}

^{-7}

^{2 }+ 9t

^{2 }+ 9t

^{2} + 15t

^{2}+ 15t

3(5) + 3(14)

9 + 8 + 12

__ <__ -1

** >** -29

i. | x - 2 | = 0

ii. (t + 5) ( t - 1 )

iii. y

i. 2x - 4/3

ii. (6y - 2) (y - 4) = 0

iii. 3t - 4 = - 6t

i. x

ii. (x - 5) (x + 6) = 0

iii. 5(x - 9) > 0, given x > 9

Which is a linear factor of 2x^{2} + 6x - 20 ?

Use the quadratic formula to solve: x^{2} - 9x - 4 =
0

Find the real roots of the equation: 3x^{2}
= -7x + 1

x + 4y = -5

2x - 3y = 12

3x - y = -5

-3x + y = -10

4y + x = 18

4x + 16y = 72

There are 2 male students to every 7 female students at a local school. Select the statement of the condition when there are 38 male students.

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