Understanding Expressions and Equations

Authored by Ken Chung

Mathematics

7th Grade

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20 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of an algebraic expression?

$3x + 5$

$7 = 2x$

$x > 4$

$x - 2 = 0$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of $x$ in the equation $2x + 3 = 11$ ?

$2$

$4$

$7$

$8$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify the expression: $5x + 2x - 3$

$7x - 3$

$5x - 1$

$2x + 2$

$3x + 3$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a solution to the equation $x - 6 = 9$ ?

$3$

$15$

$-3$

$6$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of $y$ if $3y = 21$ ?

$6$

$7$

$8$

$9$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is equivalent to $4(x + 2)$ ?

$4x + 2$

$4x + 8$

$x + 8$

$4x + 2x$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If $x = 3$ , what is the value of $2x^2$ ?

$6$

$9$

$12$

$18$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve for $x$ : $x/5 = 4$

$1$

$9$

$20$

$5$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT an equation?

$x + 2 = 5$

$3y - 7$

$2a = 8$

$z^2 = 16$

10.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of $x$ in the equation $7x = 35$ ?

$5$

$7$

$42$

$28$

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Understanding Expressions and Equations

Which of the following is an example of an algebraic expression?

What is the value of xxx in the equation 2x+3=112x + 3 = 112x+3=11 ?

Simplify the expression: 5x+2x−35x + 2x - 35x+2x−3

Which of the following is a solution to the equation x−6=9x - 6 = 9x−6=9 ?

What is the value of yyy if 3y=213y = 213y=21 ?

Which of the following is equivalent to 4(x+2)4(x + 2)4(x+2) ?

If x=3x = 3x=3 , what is the value of 2x22x^22x2 ?

Solve for xxx : x/5=4x/5 = 4x/5=4

Which of the following is NOT an equation?

What is the value of xxx in the equation 7x=357x = 357x=35 ?

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What is the value of $x$ in the equation $2x + 3 = 11$ ?

Simplify the expression: $5x + 2x - 3$

Which of the following is a solution to the equation $x - 6 = 9$ ?

What is the value of $y$ if $3y = 21$ ?

Which of the following is equivalent to $4(x + 2)$ ?

If $x = 3$ , what is the value of $2x^2$ ?

Solve for $x$ : $x/5 = 4$

What is the value of $x$ in the equation $7x = 35$ ?